{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980027720",
    "entityType": "User",
    "nonce": "0xc5ab1948aabaa3e5583d5335b4e772082c70a0a025cc61ae32943915f52afa39",
    "signature": "0xd85123e3de778cc4b0e62029e58a18676cd99805509c18147c9a4acc50368e927d0814c549cf950306220cbd222646fa6918bc568f84870ef37f4110867280f31b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}