{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348012",
    "entityType": "User",
    "nonce": "0xb50c159cd74c0388504a39ccba888b5f7227aa61534701b4a43ca83d7ebf280b",
    "signature": "0xf7986a38ad18dff6659c2e1ab3476a3e1f92150db786d7416d85e2201814ccb84c3002b4c56b7ad28182643a7e7deed78aba69b6a5cbc7418731a6e4f3c42b671b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}