{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xd70ebf8bd97bf49c2bcd1c5102bf1dc48aec1fd1e14e823b6b5745b34f95c2df",
    "signature": "0x6b8639bbaf5ea00464f08f79f464f2eb40c13904d9ec59cde6d4e07a19cd992c736817bd60b43d73697833788af113b129c167000cf28028017241861eb86b801c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}