Update an asset

curl --request PATCH \
  --url https://app.gomangrove.com/api/v1/assets/{asset_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "asset": {
    "custom_field_values": {
      "serial": "KILN-001",
      "status": "Registered",
      "registry_id": "FSE-12345"
    }
  }
}
'

{
  "id": "asset_abc123def456",
  "friendly_id": "asset_abc123def456",
  "name": "Kiln Alpha",
  "health_status": null,
  "location_id": "loc_xyz789",
  "project_id": "prj_abc123",
  "lat": 37.3875,
  "long": -121.9635,
  "custom_field_values": {
    "serial": "KILN-001",
    "status": "Registered",
    "registry_id": "FSE-12345"
  },
  "created_at": "2026-01-15T10:00:00.000Z",
  "updated_at": "2026-01-15T11:30:00.000Z"
}