{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe7323d698ca4eb43d0a1107bb76d78442df13f8067d4ba444e053caf0807f8be",
    "signature": "0x45aee604dcc659e58fb1c788a9f39e753e10426d7cd816b4ca3380255238b5ca146117a5d835030ad3bb7997fe7018de6f12e3e0dca827f9562b29e27020187b1c",
    "signer": "0x5cf424b2E500Ce62e5776d2Fef3867BEA5A0b58E",
    "userId": "465666777"
  }
}