Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDCk9gQJRxfWJEEI78Clr+hKBbF6fMYcX8dsi9SXCB0dX80wJ3Mhvl5QlBQ… (844 chars)"
  }
}