{
  "manageEntity": {
    "action": "Update",
    "entityId": "179469744",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralwom5mfh3zbfcy5uxgjnyn75m5swqve6rhw3glirp5wymlqu7k5q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":375183545},{\"type\":\"playlist\",\"playlist_id\":1342971533}]}}}",
    "nonce": "0xdce44903a4d6f0259ff1288752c43ce1f3324b3617bb705b61286b6f09a66c5a",
    "signature": "0xe1b632c5b8cc2fdf33a5f08f541f23ba0bcbf0e28d14dfb99723a788d3aa36023e3c42fb738904215f062ba12bfe07ad57d09b78ad31fb9bcdf26732dbc264e21b",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}