Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB+a4sF09RLecBaZri6pFQ4G9IY1HntesBG8a6+84PdnnOOCw8ZF+2ggob2… (1,748 chars)"
  }
}