Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAEViBvi0k6iN4bxVtCIPL1H09hhdQF2sXxhC7xA1bFGzfW0/P7uE1+7fYG… (844 chars)"
  }
}