Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBEC2tBzk3cX6WyL7UcegYyCnVxvDWu43eHzwu1Ly60sEM7t4Q5dkf4Ek4P… (844 chars)"
  }
}