Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwENUVHkSazZp3J+3Cs6Hpn5Zb9hHaFF8lrJk+YQkgM5M32O+dSGirTnlT07… (844 chars)"
  }
}