Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE7M4Wy8CyWqXP8nIus8X6BGBuWDxtaYfBuVVOJOzR3W16gIrQD3vOi3bLM… (844 chars)"
  }
}