Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAfTwULx/ZPqZlyKK9wSMIxR3gHiJ/6IjCzLKu+kE7ZaEQEqWqHAI19QUrk… (1,748 chars)"
  }
}