{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x895afbe84c657f7d35b2fd490c6934d09adc0ea178e7fcc0c94d932988eafb08",
    "signature": "0x9b1b457d74d5eaeca7e15af05ed945bb3b8d84a7c0a79c16a3edd86c53ccafd5252b6d764954bee143cabd2cfed40831ce911a128d6ec6829893dfe8bbb888a01b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}