Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCEd2rjceMxmpRAWlzN/C8V1a8LDVl5OVHiIRC8yG2Xyx/SXv5JBt4HzkbM… (844 chars)"
  }
}