{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xea435aa74a95cae82920536da4821465c1a892270890b43bf59fffcf184df557",
    "signature": "0x09198853d8fde952c9b41cdedfc303ab9b82feac7f6945d88226e548d24bb21c7625387091ff422352718c9f797a1769a84f2b1a4588dc127f2edb310d2bf2031c",
    "signer": "0xEba824e60AE7F4Dd3303f3881D36c4d4b9f1f4Be",
    "userId": "346741915"
  }
}