Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDh7Uz23VIbwk32gDPkVhEbYdcZn5M+EWWx6rY55gu1pBuVEvPfxRE8BGIr… (844 chars)"
  }
}