{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xc00404fd9a7e520dca460b7352b1b34370f574bd818018da1e0756599c66b90d",
    "signature": "0x7d463c29289cb4de183e863d0a8af88b653ab79fa1b662378d08ee12412db99e792243467ac7390e53c37c652573e61c3e4c384c83155884bbcbe946911229811b",
    "signer": "0x1ef4f2764434B03864665be867ECf5FA5902e3F8",
    "userId": "928487182"
  }
}