Update a post

{  "data": {    "id": "1d2aafec-bf13-4ea4-b271-6f9ac1e9d069",    "body": "Revised launch copy.",    "status": "draft",    "draft": true,    "scheduledAt": null,    "createdAt": "2026-03-29T09:30:00Z",    "updatedAt": "2026-03-29T09:40:00Z",    "canceledAt": null,    "media": [],    "deliveries": [      {        "profileId": "4339a6bc-9cd3-455e-8f91-df8bc63f12d7",        "provider": "x",        "profileName": "Julius",        "status": "pending",        "scheduledAt": null,        "publishedAt": null,        "failedAt": null,        "providerPostId": null,        "url": null,        "errorMessage": null      }    ]  }}

{  "type": "https://postmantis.com/problems/invalid-request",  "title": "Invalid request",  "status": 400,  "detail": "The request payload failed validation.",  "code": "invalidRequest"}

{  "type": "https://postmantis.com/problems/unauthorized",  "title": "Unauthorized",  "status": 401,  "detail": "Missing or invalid API key.",  "code": "unauthorized"}

{  "type": "https://postmantis.com/problems/forbidden",  "title": "Forbidden",  "status": 403,  "detail": "The authenticated API key is not allowed to perform this action.",  "code": "forbidden"}

{  "type": "https://postmantis.com/problems/not-found",  "title": "Not found",  "status": 404,  "detail": "Post was not found for the authenticated account.",  "code": "notFound"}

{  "type": "https://postmantis.com/problems/payload-too-large",  "title": "Payload too large",  "status": 413,  "detail": "Remote media exceeds the 256 MB limit.",  "code": "payloadTooLarge"}

{  "type": "https://postmantis.com/problems/unsupported-media-type",  "title": "Unsupported media type",  "status": 415,  "detail": "Unsupported content type. Use application/json or multipart/form-data.",  "code": "unsupportedMediaType"}

{  "type": "https://postmantis.com/problems/conflict",  "title": "Conflict",  "status": 409,  "detail": "Referenced upload must be completed before it can be attached to a post.",  "code": "conflict"}

{  "error": "Too Many Requests"}

{  "type": "https://postmantis.com/problems/service-unavailable",  "title": "Service unavailable",  "status": 503,  "detail": "Publishing is temporarily unavailable. Try again later.",  "code": "serviceUnavailable"}