{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91541",
    "entityType": "User",
    "nonce": "0x518212a72279bdb5780b2577d4fe249e9fc0c8bdf984bc0e7770d29489038370",
    "signature": "0x02863cbdf2fe8aa5c18bc67ce21e992d58ba0f4a03aceb844efba77e6b9badab01433e5daf7b016c01a4abbbafbd99a5d30d63ecb0f7a684823db239e1c44a561c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}