Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH5iMw9kzZTHID/vpSIifb9PJwdbWHsX6Dqdfd0yjfqwwT3mV+TIcq9q0gw… (844 chars)"
  }
}