Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDvVnhKYNBhBFSsHjBZg/X/9AIdXXa2S8fW3Y3H2t23/TRubHffGKLpIlti… (844 chars)"
  }
}