Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDx81Vp0/tdS25wre+S4DT/t2/q+3fUK2Bgpmk+BtxbMXMpowDZB3T4Oyq5… (844 chars)"
  }
}