Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFpgh7g1/uO+lWu3niC2j+UM7fJZ1ZNmhBpKp8fwbYCqTpC6sRhP0fx29qj… (844 chars)"
  }
}