Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFTZP1CcFndXaXzj6uLPFJ6QbFnxI7GGqSoU1tFKeXfYA6iUPOJD+3UX2OJ… (844 chars)"
  }
}