{
  "manageEntity": {
    "action": "Update",
    "entityId": "379535209",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah7unmoj3no25ceth6q4mdepdi74dmqaqyeklqznhfdzapadkhoua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":50164147},{\"type\":\"playlist\",\"playlist_id\":1266135894}]}}}",
    "nonce": "0x23030d845d9a655e491e6559215a39ac304f20d1dea954a3c45b4bdde4a537d4",
    "signature": "0xbde848932b51d8ac95a0e411bf8ad2c22abbceb581f9cc48b8c3720a314197387215d4cbd6e06ebe19f486a28cbe32ed64f8dc08f8a32817ea77865765dccf441b",
    "signer": "0x6Df7B01ee30e7353a7dF89B63420614C8b73A67C",
    "userId": "379535209"
  }
}