{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xb65102837cba5a5b25d5c137ecdd0092357271df0f7f601e435468c5f5225c15",
    "signature": "0x9de8cabc49071cb50d47222ae1b399db76b0376b6775dbfdf9c5fa0c9d3470615ac29830d5ace7e087d40a67f06834ada394a82f843b6a8fe14a2662e25492121b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}