{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808512351",
    "entityType": "User",
    "nonce": "0x9f01059585b4227880c1cb173f2442331c554dca63e519e760e53636f3ed6d24",
    "signature": "0xe3246cbb97fe0d2bc1305559742b8266ac1756c3f2b8badddc1376834f31cd2905d7021c741d55bac6ad657b8b35221381c6aab0953cbfcae8b3f734f2dd0d9a1b",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}