Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF55WB+LROBf4o0rOFpBNnKnTVZEoNxVRHEVmVXe/HpOBShI3zZ+xspvVaJ… (844 chars)"
  }
}