{
  "manageEntity": {
    "action": "Update",
    "entityId": "6102114",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd9c42d093038191412c1303f11438b234a655d44c3020e818605c9c2ca259fdf",
    "signature": "0xe82852cda6106ef0022350e91c11c247faf82596d3937b440e04393827893e831c3db57645ada8d55afb88efeb850d5dd4eb725fa2bd15e58e2c2fc037a60b601c",
    "signer": "0x6fa14040992e5065F911f7468f1A5C143ac5fD5D",
    "userId": "6102114"
  }
}