Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQIJLdA3CUzGLPKV3MChVifeL0/LJJtQk95hEMlWtkfcjG28nUfnLkze7Vve… (1,748 chars)"
  }
}