{
  "manageEntity": {
    "action": "Update",
    "entityId": "506798707",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1439b7b1edce8651249f4a0218fdd6fe33be8403b7ce632a33cc79796dce727c",
    "signature": "0x209bf927c843a63d210b65582ff1629ce65b46ec70ec32b5323eadd51ff5c1fd622f4cb192bf59a47301d0a9a662bbb22966a28c69f5a0cec5460a64e6712fc31c",
    "signer": "0xe5bE3368ADfcd5D00019691932C527439655E6Bc",
    "userId": "506798707"
  }
}