{\"21238\":[{\"Birthstone 1\":\"MAR\"},{\"Name 1\":\"Delisa\"},{\"Birthstone 2\":\"APR\"},{\"Name 2\":\"London\"}]}INSERT INTO salesorder (order_id, order_no, option_json) VALUES (6623320408339,50005116368, '{\"21238\":[{\"Birthstone 1\":\"MAR\"},{\"Name 1\":\"Delisa\"},{\"Birthstone 2\":\"APR\"},{\"Name 2\":\"London\"}]}')New record created successfully{
"query": "mutation MetafieldsSet($metafields: [MetafieldsSetInput!]!) { metafieldsSet(metafields: $metafields) { metafields { key namespace value createdAt updatedAt } userErrors { field message code } } }",
 "variables": {
    "metafields": [
      {
        "key": "option_json",
        "namespace": "custom",
        "ownerId": "gid://shopify/Order/6623320408339",
        "type": "multi_line_text_field",
        "value": "\{\"21238\"\:\[\{\"Birthstone 1\"\:\"MAR\"\},\{\"Name 1\"\:\"Delisa\"\},\{\"Birthstone 2\"\:\"APR\"\},\{\"Name 2\"\:\"London\"\}\]\}"
      }
    ]
  }
}

{\"21238\":[{\"Birthstone 1\":\"MAR\"},{\"Name 1\":\"Delisa\"},{\"Birthstone 2\":\"APR\"},{\"Name 2\":\"London\"}],\"45656\":[{\"Name\":\"Lara\"}]}INSERT INTO salesorder (order_id, order_no, option_json) VALUES (6623018647827,50005116367, '{\"21238\":[{\"Birthstone 1\":\"MAR\"},{\"Name 1\":\"Delisa\"},{\"Birthstone 2\":\"APR\"},{\"Name 2\":\"London\"}],\"45656\":[{\"Name\":\"Lara\"}]}')