Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCLT+CUBmAv6RCtu5nebucWaSVtIGLuWwLUfoeAsMnxMgpZRCehuH5Sm6vy… (1,748 chars)"
  }
}