Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDma3EvvecBU0mGfSKnExI4NC0/DqjOmrwfq3/ZV1jwIhE4mFpSXC4Yp9zp… (1,748 chars)"
  }
}