{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3706",
    "entityType": "User",
    "nonce": "0x9b6c3c5383b2221058cf0439633ad95ca4ee1893cf93de16064c6ce777ee5067",
    "signature": "0x2dbdb66619ba973dbe9bdeea0e9d5ea31fbf3143254eecece1fd52dc09d95fd9150bdcbd29efad6cc873ba3146673687965dbcc32f90c59099a0fb85514005861c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}