Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD2D5NSumVtDv8shh5K8WurG+LxzLgILumoWDn4YON6cC5/FMzDJ3UfTkzL… (844 chars)"
  }
}