{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320136233",
    "entityType": "User",
    "nonce": "0x2571054951ef40d9bd4fc1052268e32d4a9fed10eb4a2a910c68f4fe833dccc1",
    "signature": "0xf0eaa8aa6da7acf83c4fd71e1e3e234c49620aa396e2407b30738432e8aa4eb1141926857d5bb5d7a6fba1973e730c46fbc15500222f40a940502b73d276104e1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}