Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDO/nKI9Yb0xwTXuuCV9X5M0pWtODsZC2t/Fas6pHYRfGFVBQKJux6Cwfuh… (844 chars)"
  }
}