{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936815292",
    "entityType": "User",
    "nonce": "0xbbcc1eeab44e476df5fccd93d3c00f4f44b0623c71993a22a935c740ce9be3c0",
    "signature": "0xb266a4d31ff65ba153f1ed933fca84a9e7c59cb96a2a35bc75bd921a505e03cb759091de8d9f964c73a11d0439cad5be4646c72a22bd217d82d24e2cfe4eedd91b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}