{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x8d82e21d2f6bf33222f54187575373f9b3b6d5e64735a05eec2b0274608ef26c",
    "signature": "0x8ac0ac8e19c31e042b9092c331c0692ca63b998ea253dfbf3809d700ba574f831e4703544c386aa567a0e6a9844e7640f94f93e0bd80aede2b95c50a85f49f8f1b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}