{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144203",
    "entityType": "User",
    "nonce": "0xf0b0fe5d0e8faad7a7b59b144cd442b589316af6664e08c8eb6c5b9b44b0de8e",
    "signature": "0x7cf84c8af9ee2f5b1eeb93bb3672aeafffe9adbc4fa178d7299e7c5e33335c694672e3dcd51c0371bb90124a20169aa03b7b0c8c6c8d259a2297851215fa97c51c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}