Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBzjwh5dA+/4agSjYCXe5ozZ1eneqpmhVuSt/tCH8OR6jW1oJN0gfg+JxKp… (844 chars)"
  }
}