Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGT1h39+CDayYzHzsw5IAHH3gD7+VNuA1MuE4DsSjN33yOcNjtRk6PIe7xc… (1,748 chars)"
  }
}