Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDwGbpqzM1Hlh/VrjD6zrPVjb4kgFSksoYiZfuD1GZ6kQ8S0CWRNKXRKxZb… (844 chars)"
  }
}