Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCklpaEk4FRHNAgGvKKShKbf2bpkw17uHWHePbIvQIeEWc7bitAzAkb9/bZ… (1,748 chars)"
  }
}