Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAuljwaYJOBpcZ/Oif0GM6JIjKAI5zql2pATiUtnZLPfD88bQ8rYhIg5ZsA… (1,748 chars)"
  }
}