Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBp0RFPnFlCsFyqIK9+YKKtQ6yi3cBHmuqKLDrM4YQY5R6BDlPHvxlyBHU+… (844 chars)"
  }
}