{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "904128937",
    "entityType": "User",
    "nonce": "0xea820b92d27614dd6de8937e9876d053c0886dc5c5d919c377beafdba270017b",
    "signature": "0xd9ac3b3578a68398cf621d5dd4394cc29acaaaf54ed1f3b9546f27d77785c9fe02587bab85b6e96ae633a30472e5551f9cf1302f386f301c80db3f420d3ecc5b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}