Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF52In9hFR/nP9eEqgULImjq2WICjhqNm1zGpBl/jaEhQvb0CbOL6+j5vWG… (844 chars)"
  }
}