{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105804234",
    "entityType": "User",
    "nonce": "0x5980fe9d9c0230318e7b6cc9612087f8e4980a3097933880de05e07c94455f80",
    "signature": "0xdbd62134e72c9f636a8c022589e1160a471efe2707f7812a3f329cc33a376a4b130ffa5c956ed7ca768c49b7db612d6a762726bade0afdd08c1293cb377d4cd21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}