Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCbtgVAW2CMXIZmrcjoyr2BHO3tEIlLur2z5ZFP6sRVcAIe+56XGG8TmZx/… (1,748 chars)"
  }
}