Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3phdxpdvC7n3tYdBDcj9IlJjN8xlHwePAL6IKiN+qhBbb1LJ2Zr8vgLjM… (844 chars)"
  }
}