{
  "fields": [
    {
      "key": "file_id",
      "name": "File",
      "type": "text",
      "required": true,
      "indexed": true
    },
    {
      "key": "subject_entity_key",
      "name": "Subject Entity",
      "type": "text",
      "required": true,
      "indexed": true
    },
    {
      "key": "subject_record_id",
      "name": "Subject Record",
      "type": "text",
      "required": true,
      "indexed": true
    }
  ]
}