{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0xa70bbf535dece18afe1a66bcbbb318fd13d87cf341ab017ad484819e689a7287",
    "signature": "0xdc52a516be415a444244837032b7cc98e29f7e7e744e4f779208be60419dff4c7fafbd012fba973dc48045610ee537258eec4b2ec746871908c41035ec24b0f01b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}