Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGRswVo2VT+Q/KhQnL6BYtY3MxcUXGd4+cmzV8bkDluEiaFYcCS0qNAhwTJ… (844 chars)"
  }
}