Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFLa27kS+BdDw3cZ8L7G75IYUQV2HXLVB9uAV1htbO1/DHzsMy9f6+eftkY… (844 chars)"
  }
}