{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4f3a09de8f1b598cc4d6c3d1df58b5edc7ff14cb238e3d48f8922b445ac68663",
    "signature": "0x294f6572fd24e4c50388af6e4362c013ba9fac607a888e6e3765eff12c9b35a45d0a5c31904b77977dc5d4a2dc4d262edbf9d7b2cc836d2141006679ee6f37991c",
    "signer": "0x06DDfcD171CA520fDf2F58ED8f41b91Ac799a495",
    "userId": "19098726"
  }
}