Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGfI77OxbCUmXBFzSkxo6L2JVCKyVBSt54/iH2/qXgj6DPkkvvC6LI8QVQB… (844 chars)"
  }
}