Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCC84tRqd3uXA+0d2kOsKEjzfEI6uxAeM9oScX8Pcfxg3lW/9wrwL0I8FpB… (844 chars)"
  }
}