Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB7dfpRSuBJqkc4kzuTrQHhp1KfcvjB3tZVmJprOe8c2ju/KaRMGqhQK4N/… (844 chars)"
  }
}