Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCNYgygW/TvJ7nQ2EO4WRGB7sdnVo9fL70X/WRMP8xQAwNEwRFKUGNTrNMO… (844 chars)"
  }
}