{ "name": "id", "type": "primaryKey" }
{ "name": "estateId", "type": "foreignKey", "table": "estates", "mandatory": "true" }
{ "name": "farmingPurposeId", "type": "foreignKey", "table": "farmingPurposes", "mandatory": "true" }
{ "name": "updatedDate", "type": "updated" }