{
  "manageEntity": {
    "action": "Update",
    "entityId": "111366351",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4c7ojkmegomeozpoozmfhrj2cqtld3g5r45xk3op5whhszwzv5ta\",\"data\":{\"name\":\"mhk99999999\",\"handle\":\"mh99\",\"location\":\"Seo-gu\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x12ae95f2ce6afc951a72eeacb17e3577b7a7276fbb6c7f3db482c90dfb60886a",
    "signature": "0xe4eb515bf44c54846c4e4c0325d82a3c306fee8b983ba802db6020c8a8ae8f533b30797a36e7aef45f26cc9cbdecd91121b941da6ce357461f1e597aeda5bcf21c",
    "signer": "0xe44ABcE5800Fb3945651B91354418f77B21328AD",
    "userId": "111366351"
  }
}