{
  "manageEntity": {
    "action": "Update",
    "entityId": "505624985",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierard3vqsdeujbwjbkge7lp2arlpbttyyah5wtuznt4ud7af7qlcg5a\",\"data\":{\"name\":\"Ksyu\",\"handle\":\"ksyu_kh\",\"location\":\"Cheonan\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ad9834679b5db0d8dfe88863c32720b16799b6e0cd8e17cf5aadb42d4578851",
    "signature": "0xcd738d06a284962363f339ef3c52cfd7cc09f27a4c0aa0e96e2ec1e869ec00227925d3ec8ecff0a0f178722aa9541abecec719d31335931d523da9749844bd881c",
    "signer": "0x876e670C1E87d18A969ED12119333C2F1e45D2aa",
    "userId": "505624985"
  }
}