Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEJMYtW/dpM7ZN0FiuLDxP6+Whn3ZT9+czYzMYWp4cEilR36Ws86uSt9Iqf… (844 chars)"
  }
}