Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEJ96/ZbBHv4kJqkL8qnX2BztYJ+pqzlJhBr4dXa+gAW30FI8mM7I9Ynej3… (844 chars)"
  }
}