{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411390451",
    "entityType": "User",
    "nonce": "0xe3316f61d03703885418a7d80180b41722c52038eb72ef45ac257a898fb7f9bc",
    "signature": "0x66f57f0419ebdd43c71a8e84f77ae447a492408a989d979a2bb48b94852fd2d106d76be8b750a8b40cebc9c435cbd75d768208633ffd56eb2f98de507de52f491c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}