Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGiRWYI6qSRna+r5QvH2/HeQeYHQIjC8pMQhVCmotM5zVPTbg1ZRgeE5r9O… (844 chars)"
  }
}