{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49309",
    "entityType": "User",
    "nonce": "0xb045a32bf792af87440f5b1b35bfba69f2c9d348d49bd4b4737f4710441be158",
    "signature": "0xdde7ef6a06122abc59a3ad262043b169358c19f23d302b73bf668dfb70a1363d66447fb9a0e98e8076b13d87a748766bf7b380f61b3374c96c77aa0d3a92a1121b",
    "signer": "0xd0e8749B644eBCC37a102406328EA0fb8e93040a",
    "userId": "984003375"
  }
}