{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xb4010a306af01e9fe6dd8f69a94fa296ad9b29cb19d1dbf84066804ae1d6af77",
    "signature": "0x2e3e7c3273640681cfa967e637672eb6b7906a45f4f352456d2eae730033d6de2bb86fac988b10d6be01ab384e0345e6159637c25a7ac1fe71de2f4243af02181c",
    "signer": "0x4E802f7193313C8D55a39077f1DD13479712F61b",
    "userId": "227068227"
  }
}