{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0x69395edcf9e95d571425edcf4d05b7b4e8b34313408628ee90f100ab65f386a0",
    "signature": "0xaf63f86c639fb92af7b96e90effadce852cc082138b5ed0b571653777af787d228fe32f45740c4400c5f0292d621a3a6d0bcc3c1604ab31baa916e58010bf8241b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}