Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpi5DtiId6hzqsP0DXJ6h1bHdpMOGF9TfDxQ+cVnVyM3Ly12+wZl32VmBP… (844 chars)"
  }
}