Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwExlTrPL/NrB8qCW8wYA9k9SrxcJNAEqTD/kymWz2tyBXCfu6yLZie/W9zD… (844 chars)"
  }
}