{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196489",
    "entityType": "User",
    "nonce": "0x93834dccdeac54918ba760dcf511b6d1992c1e7797f8655eabc305b52710287d",
    "signature": "0x6889afc4c2f54640c1dfbfddc1452b3f68ae57e1b9dcb8c4e94669a57584eae63d1e45ffc212f00b35ab0e142347fb82bc0491bd2a06e6b50c67c9403895e1ee1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}