Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQADzuvR5trEZAFQNggdl5dzNz1qxGM0ziSjgEyttk+/OBce+CcTnVmfVvf/… (1,748 chars)"
  }
}