{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x2148d75a9959ccc107bdca61864ada6dfca179de62b6d9f01652ada36c2402e1",
    "signature": "0x654635391207dfb6bcb242401df80924f923ef5018ae16911a1894f5274295580cc96bf38858957b8d807870ad521afa6153da0b79880807ea2adc9445ae61b81c",
    "signer": "0x86F630d8B6E34f51fd8c14Bd07fFc237B3E45546",
    "userId": "417666758"
  }
}