Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhrYhJa3TyNNUGhNYdWMo1g/xjH3LH8Tkj4xaDv26y5lKs9OpFNKAVi7IZ… (844 chars)"
  }
}