{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44357",
    "entityType": "User",
    "nonce": "0xcc721b218a873e10f4457a3f161404880c00c89303508849754a760bd0083b52",
    "signature": "0xb56f77dbf5e55e0d030667e1d54dbe07301ba72a82194cecdbc53d5bdbae5c5560be8bfe756f65899fcdabaf403540ad206602d6548725d857f20b0a5088ab0e1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}