Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGQh8b53ZoFsZwWuj5Zp+Mi7wdqCOEtK1L+FbM/Paj8tFLaSG4vmvuZrxkZ… (844 chars)"
  }
}