{
  "manageEntity": {
    "action": "Update",
    "entityId": "23360320",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6942f59b8ccfc614cb1ab8c205a2226b5ea87a658d79bdec9a7bf7d2e6b052ff",
    "signature": "0x0d846e0eb5935ae167f276f04c7238fc92ff28652422ccad3f868ab755ab10dd022d039a9b86c1bdc75a5b640e2007ce2480925f4c27dc28b16e8849e0355c3f1c",
    "signer": "0x1a9Ba94012eF316C6dFDBC8be209f2d5D1651F4A",
    "userId": "23360320"
  }
}