Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEkyFPUisA9+QBiB/LSdmVapAb1VWgw5Agx1pFI/hYdmEdvzE4Cb3DRHFnj… (844 chars)"
  }
}