{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786692593",
    "entityType": "User",
    "nonce": "0x58c7c9789d146d0a21b8cb701802144f5e00536aaa9892ae9eb71c33684eebe4",
    "signature": "0x5674e6b699b80dd9cd2ff45435545a0fc75c7c2f9348bcc64bbf019d9ec9959522935bb23b7f178f8d3bce56fe1faf026a989e1ef5ca33a48eb447f966d956371c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}