{
  "manageEntity": {
    "action": "Update",
    "entityId": "83588504",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6991d2b3245153552c0c7c3c8a32feb8fc76fdca109147dfbe464fbe0cf4b976",
    "signature": "0x72de0180a6875c518079a637946bd01d3bdf55a11c08e07c2c8347592358a9560d382e1762f57f9d046a898d0113276b72b49b8dc84a81b7ba1f9873b8ee53121c",
    "signer": "0xEDBF649a5756FE92F81819c7772ea73e51dDF25F",
    "userId": "83588504"
  }
}