{
  "manageEntity": {
    "action": "Update",
    "entityId": "542975484",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawv3l7k4sfnza6uhahzcbe7cv56p63ir7ezsdyamcfw2ioz2a7axq\",\"data\":{\"name\":\"mike89\",\"handle\":\"mike1989\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe9af20123831b9142ebd2c24e69ba23e58a0cf250d15a7b12316e058b01fffb6",
    "signature": "0x9a79bed7c5d8219e210a655a3705cbb1f3720b555e57ef70d3db0d950e0972394177145104a321ae056162f93247acb2cea0b18150ea0666cd69778e9ee120da1c",
    "signer": "0xbc6E180a2B541dBeFAcfa1EFf7b8F0CB4946aDb3",
    "userId": "542975484"
  }
}