Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDNaZm6tpOAiC/A6k7X+XCd4Mmy4nnXI9ZwGSnvdnnvoBgV9Z6omLO+AiBd… (844 chars)"
  }
}