Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCNrcHIolkoXPqKALM3xCzjf7B/6nTAzeMl8l/CME+q+0UZfAid4opQSI5R… (1,748 chars)"
  }
}