Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDzw4YcFDPwADXIm9XJRtqDRl2p3082JbdC5/g7SILrACnaR+2S5Mve7zjI… (1,748 chars)"
  }
}