Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD/cpZjV+UuicTUAXeRJDd0da71md2PjXcXb2r/YTFXvlEp7J3y0q6tVLZc… (844 chars)"
  }
}