Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFVdIXGpULd3Tdo43KqKzGAdBps1fUu7snthvdP2wDozG7DYG3bXCklbcgJ… (1,748 chars)"
  }
}