{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843421708",
    "entityType": "User",
    "nonce": "0xce71c56f58702b2384957537fc623b9db603167dbb2403459870d17e3f79659a",
    "signature": "0x6c34bdfc052c04d2d7ff7ef1624f41489d6b0307a07a5c9a89fa5be0752443872adede858380921b463e3da002903654c98779fb2c04578093a62a55a10963cc1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}