Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD8xVN5dunTOmVRxkwEVqQK7XQyM8/mIEzCE/h5Xxrx2xD4C0PxdcAXXJRe… (844 chars)"
  }
}