Get campaign

{  "data": {    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",    "account_id": "449e7a5c-69d3-4b8a-aaaf-5c9b713ebc65",    "bucket_id": "8f7ac8aa-ed2b-4e16-81e0-0766bdb092b8",    "name": "string",    "status": "draft",    "source": "manual",    "flow_data": {      "nodes": [        {          "id": "leadSource-1",          "type": "leadSource",          "position": {            "x": 0,            "y": 0          },          "data": {            "label": "Lead Bucket",            "customFieldKeys": [              "company"            ],            "mappedStandardFieldKeys": [              "email",              "first_name",              "last_name"            ],            "isRequired": true          },          "deletable": false        },        {          "id": "email-1",          "type": "email",          "position": {            "x": 220,            "y": 0          },          "data": {            "label": "Intro Email",            "priority": false,            "variants": [              {                "id": "11111111-1111-4111-8111-111111111111",                "label": "A",                "subject": "Quick question for {{first_name}}",                "template": "Hi {{first_name}} - reaching out about {{custom.company}}.",                "isActive": true,                "order": 0              },              {                "id": "11111111-1111-4111-8111-111111111112",                "label": "B",                "subject": "Following up for {{first_name}}",                "template": "Hi {{first_name}} - wanted to share a quick idea for {{custom.company}}.",                "isActive": true,                "order": 1              }            ]          }        },        {          "id": "waitTime-1",          "type": "waitTime",          "position": {            "x": 460,            "y": 0          },          "data": {            "label": "Wait 1 day",            "duration": "1",            "unit": "days",            "wait_duration_seconds": 86400          }        },        {          "id": "email-2",          "type": "email",          "position": {            "x": 700,            "y": 0          },          "data": {            "label": "Follow-up",            "priority": false,            "variants": [              {                "id": "22222222-2222-4222-8222-222222222221",                "label": "A",                "subject": "Bumping this for {{first_name}}",                "template": "Hi {{first_name}} - circling back in case this is relevant for {{custom.company}}.",                "isActive": true,                "order": 0              },              {                "id": "22222222-2222-4222-8222-222222222222",                "label": "B",                "subject": "Any thoughts, {{first_name}}?",                "template": "Hi {{first_name}} - should I close the loop or send more detail?",                "isActive": true,                "order": 1              }            ]          }        }      ],      "edges": [        {          "id": "e1",          "source": "leadSource-1",          "target": "email-1"        },        {          "id": "e2",          "source": "email-1",          "target": "waitTime-1"        },        {          "id": "e3",          "source": "waitTime-1",          "target": "email-2"        }      ]    },    "schedule": {      "timezone": "America/Chicago",      "start_hour": 9,      "end_hour": 17,      "days_of_week": [        1,        2,        3,        4,        5      ],      "start_minute": 0,      "end_minute": 0    },    "sending_interval_seconds": 0,    "lifecycle_schedule": {      "time_zone": "America/Chicago",      "start_on": "2026-09-01",      "pause_on": "2026-10-01",      "start_at": "2026-09-01T05:00:00.000Z",      "pause_at": "2026-10-01T05:00:00.000Z"    },    "created_at": "2019-08-24T14:15:22Z",    "updated_at": "2019-08-24T14:15:22Z",    "deleted_at": "2019-08-24T14:15:22Z",    "tags": [      {        "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",        "name": "string",        "color": "string",        "created_at": "2019-08-24T14:15:22Z"      }    ],    "mailbox_ids": [      "66b30d1e-447a-440c-8f92-4f8a34e9bbee"    ]  }}

{  "error": {    "type": "authentication_error",    "code": "invalid_api_key",    "message": "A valid Furnace API key is required"  }}

{  "error": {    "type": "invalid_request_error",    "code": "campaign_not_found",    "message": "Campaign not found"  }}

{  "error": {    "type": "rate_limit_error",    "code": "rate_limit_exceeded",    "message": "Rate limit exceeded for this account"  }}

{  "error": {    "type": "api_error",    "code": "internal_error",    "message": "Internal server error"  }}