{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92549000",
    "entityType": "User",
    "nonce": "0x37ebb3a62a4adfc50967047ebe815640000383b226e89dc29e6acbc21c0e5be1",
    "signature": "0x73f50d66571f7097a42bf64fe3a10dbd39f304129b7bd6db89f29a7877d6a9fc3d4746fc983b28cd05d0a8740cdea41c33c0d8228a73e0fc29ff35c37ed1f3511b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}