Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAx8zAr4oa9vCMTfOjbzfvXPg7uepQn6c6l+aP/d6Gp3yVW098ELs/0awSq… (844 chars)"
  }
}