Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBr/u2cX7kArOtXFP8x8YA+/hLRis0ZcPTQ8j1uK9MSiUCWqNR4XPlXJTbH… (1,748 chars)"
  }
}