Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCiNrK4f1A/rSH2GgpE8g955IMjje8A0zRt7LXmnXuU0hBa3LS1ZOB7/H2k… (844 chars)"
  }
}