{
  "manageEntity": {
    "action": "Update",
    "entityId": "798360139",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafvcd45da2ik2imp5ktdbbljysdsc7kkwujngeoujxbblybl3t5eq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1401922379}]}}}",
    "nonce": "0x54831e5f374a8d6509131bd8a67798aade7b99d72c46938719161ebb8a0a8790",
    "signature": "0x53713bf4cfa55a08a35416f30b6b790859b586f6e30f66725aa5b90457fcfb7768d87f6c667810e119df75f78a554f7e9fcb6b2b5254b431ea14e420de69ca3d1b",
    "signer": "0xf75adc45948144ee7d18bD5B4AEf863989CB88E6",
    "userId": "798360139"
  }
}