{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828403040",
    "entityType": "User",
    "nonce": "0x439abfb46a9cb9202e90edfc6fd575b68a9e75e9cb3ba08b579bc8ddf656605d",
    "signature": "0x37c72fc55f4d128b8e14e4f40e26b663e9f360cf66f46541bf752e9d38aa44fb030b0769bddf1dedd9120e3bba8e16650cb4cdd2292c6aafeade553326b6432c1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}