Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+LsS7qNEqelWgRVMUJRbI77FHbQ9ySHneJLVE+QzOVyNRgWwQ9SgWs1kE… (844 chars)"
  }
}