{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "814721941",
    "entityType": "User",
    "nonce": "0x9092476321b2c7d58bc28a1568f8b7171fc009ce3ba854cf6c975a03083f836f",
    "signature": "0x89cddac62170d9331f3c6cac43d21ac86b1f02c25ad0b13198028172dd20268711ed9a84acf8cfb5185b46b1d25563f76d5abc8418d0564ea23f2f78a5050f671c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}