{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445563245",
    "entityType": "User",
    "nonce": "0x056e6d66aeb0c0f7063e3f0c421b6ae8f9f9c4bf8f9324461674397146d78524",
    "signature": "0x76603f70b801aae71fea02b7223121f4cdf7ef6922e10586904569850345662d28861b1e72d81267643714c0fc92f5da02a6aea88201c714ba5a44dfbfefc87b1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}