{
  "manageEntity": {
    "action": "Update",
    "entityId": "492531535",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratb6rysa5u2acpi2qx5hyeu7hhitvajpfldkqy4fun7l2pbsmbkwq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":767085494},{\"type\":\"playlist\",\"playlist_id\":1453952596},{\"type\":\"playlist\",\"playlist_id\":830210335},{\"type\":\"playlist\",\"playlist_id\":203791446},{\"type\":\"playlist\",\"playlist_id\":1454780733},{\"type\":\"playlist\",\"playlist_id\":609247990},{\"type\":\"playlist\",\"playlist_id\":1597555635},{\"type\":\"playlist\",\"playlist_id\":1195493323},{\"type\":\"playlist\",\"playlist_id\":1300548438}]}}}",
    "nonce": "0xbfc80d548373c07d3569328bba289d549d704df6559cc91794c72e678a18ee06",
    "signature": "0x7ac07e189331dadbaf066a3c544b6fb9cff19eec1217d222c1a26202f657673160aa71921cca6782a5148548a5dd51239fe161057b5895eb3c0eb422c54e8dde1c",
    "signer": "0x54B193bF6F1e27B02Cd72343a3e68cd19c0110a5",
    "userId": "492531535"
  }
}