{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xb81032fb54f1adb7030fcc43805a088bf542ead06e4b5b7c26987b4cc5db98d4",
    "signature": "0x4eebb4ed8bb717999eb730df4f8ddda22298d99a7d78828e2ae91ec62da0a9b1377b40f21e70e0c248eb41038e9cd257a80e240b92b9a2172d6fc00fa683ca0a1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}