{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0x3cfa7e223447b123c4c9e6f01a58052c41d382c0dc23f65aa18b09776f6ef66b",
    "signature": "0xee6a450ae4fd1d42cd103975b07a9e60c48ca4ef884b3e570eb95facdbef4ba6519f1bdd1a7bc6f2c096f72a0497f3c5a42df7126e2fc62314b3814ec88d73fa1b",
    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}