{
  "manageEntity": {
    "action": "Update",
    "entityId": "77552633",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3db1f38f5863ee0fc0bbd1335e8803231d93fb7b4faaa3be661e770df47434ea",
    "signature": "0x4fe655dc3727cc1560693496362b64f7c6b4da4d8d7dcadd22125b5ab301977908fcccb2ca6c346ef18a14e351741b48925bda70341e64820ae6bfd510630c1f1b",
    "signer": "0x2d757d81a9e7F34F3bB779f16eC637b4B692B707",
    "userId": "77552633"
  }
}