Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAHBNAz1tSB8Htep9zPxWyYj1o3YMlZe/qFAedmipU7cnvSUJf9pUzBj+Uq… (844 chars)"
  }
}