{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0x65700622f3c0106924d2b4dd73fb2c0bfb229b386eabbeb59f90884306d2c4b4",
    "signature": "0x92abb5bebe8dc0a5a178fda2a905deaab324e1138532afb8cc5ca1b49403733e4af01b0d9e19b9354d79703f124b612ec9446647dca44421793cbf85ade953381b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}