{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787022358",
    "entityType": "User",
    "nonce": "0x1172fed9a37ed46a4065e67aee59b1acb3af6816f361f2edb2cdd4f5b1e2581a",
    "signature": "0xd5cd33ba62318c56e36a033bfa41854a1479a7ab42316e9d15d7375d2083f9d4627c7c313db6de1d9736170fc82a3cbe7ade5f8fcfd81ad339958a0c1533e5ab1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}