{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x24d3d98dfdd9c144cae640cf529f87377bfb6841ef060b4cf1f4f97594e18b38",
    "signature": "0x1aba4fb3cb0b27a40dbfc38b841c8c19a28ac72f9f7d79b32966d4561f7cd6c15b2547e2b4b997f0dda7947d867b0b8e0a3b55906b2320a40401ae5c463260f51c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}