Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQC1TsGZ7UkgyzrVk2hPoG9ifDqQYWkZCT+aA2LD+XzhQD5wnUA3e7/6puN9… (1,748 chars)"
  }
}