curl --request PATCH \
  --url https://api.ctrl-hub.com/v3/equipment-items/{equipment_item_id} \
  --header 'Content-Type: application/vnd.api+json' \
  --header 'X-Session-Token: <api-key>' \
  --data '
{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "type": "<string>",
    "attributes": {
      "serial": "<string>",
      "status": "<string>"
    },
    "relationships": {
      "model": {},
      "vehicle": {}
    }
  }
}
'

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "type": "<string>",
    "attributes": {
      "serial": "<string>",
      "status": "<string>"
    },
    "meta": {
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    },
    "relationships": {
      "organisation": {
        "data": {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "type": "<string>"
        }
      },
      "model": {
        "data": {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "type": "<string>"
        }
      },
      "vehicle": {
        "data": {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "type": "<string>"
        }
      }
    }
  },
  "jsonapi": {
    "version": "<string>"
  },
  "included": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "type": "<string>",
      "attributes": {
        "name": "<string>",
        "description": "<string>",
        "specification": {
          "vibration": {
            "magnitude": 123
          }
        },
        "documentation": [
          {
            "name": "<string>",
            "link": "<string>",
            "description": "<string>"
          }
        ]
      },
      "meta": {
        "created_at": "2023-11-07T05:31:56Z",
        "updated_at": "2023-11-07T05:31:56Z"
      },
      "relationships": {
        "manufacturer": {
          "data": {
            "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
            "type": "<string>"
          }
        },
        "categories": {
          "data": [
            {
              "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
              "type": "<string>"
            }
          ]
        }
      }
    }
  ]
}