{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "498109",
    "entityType": "User",
    "nonce": "0xa8e6c7c2a6294e8664130f4481e1a64909add69bb745b5a5cf170dfae69a67ca",
    "signature": "0xdc64341a546402bba33c50d27fb2a152c5cdb49d023914b31ba0b183f4c38b942fe10ad7766809ebe5a65b63cf8b76806269acaa99a019d21de4a17f2b4376a41b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}