{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318437",
    "entityType": "User",
    "nonce": "0x8a304a662667a091fe34f1e3238bc8c799fac67d15d211f93fc86b86b150f413",
    "signature": "0x53aaf20eb5a865a3789429fd1b50a1fcd4e9a0b7fc88f695a80b78d9077764db79bff9d09928669ddb628185ab566d9d9f400ddc72177c50b233b027363ff7531b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}