Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEE7Zn3wHEe+b0TMglewkfxP3tbZoOhqANmqLQpKSpt9CU3wDFN4M0/0CVv… (844 chars)"
  }
}