{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981147337",
    "entityType": "User",
    "nonce": "0xa30c9e0446298929ee9074f6b74cc3330dfbd274f52152708c37a6666e7261f2",
    "signature": "0x215111876ae6c57ef0ea4a4d85df2891072ba86cab4b44ab4992961c62ed5dd14824d073d408197b529f5b2d25daae571978715707defa5648f82a9dfbfcd9f01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}