{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83964",
    "entityType": "User",
    "nonce": "0x413e18a14493d0474b69ce9f34c0159ba55b26de75e825697e12115fa2774aa8",
    "signature": "0x9794d26af67b8d6783728d954215c3d68c0b3f86f057389e291c3700a29446ea085bd0633871328afd9663d79b47ae24bb77f7775564b76e036195261f9befab1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}