{
  "manageEntity": {
    "action": "Update",
    "entityId": "332835606",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb7e8f3feae5dd4a952d4f5e3b33153439423d3c0f4a2cb3e5066ce47831f07fa",
    "signature": "0x8cc9de632cf7d517bc2ee0af8ad55981fc8eafc297cf073b4bc576c682e441f37c97972950d99259e57726dfe58615e35f2eb95605e3ce7587ee1068a15e4ae31b",
    "signer": "0x3AD9866ABB703054AbA8A6d2C3B5B0c43298b8Fa",
    "userId": "332835606"
  }
}