Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB7hZOQmHCjcYjPdEjqhGxtUz1y8AjK6MS3vVRwQb4Em2vz3CqIvOPlfwYm… (844 chars)"
  }
}