{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc1564de9d2dca4452ab57bedd40269a48d6e880b5ecb9ec018f21b9b23364f79",
    "signature": "0x14a9934e4872d71a0df9cdd971fcf07c4f843400fc79f2613ea2cc50980ffb100f3c2c84723efc1d8f5f45ebdb056c7c0c0496cda282050be3afb9eaecb586b51c",
    "signer": "0x79411A4599f8FdE364c4FB08bfEC7d9d285B709b",
    "userId": "921634047"
  }
}