[
  {
    "column_name": "person_id",
    "data_type": "integer",
    "column_default": null,
    "is_nullable": "NO",
    "character_maximum_length": null
  },
  {
    "column_name": "document_id",
    "data_type": "integer",
    "column_default": null,
    "is_nullable": "NO",
    "character_maximum_length": null
  }
]