Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGXbTkGzAE0S9Ijb2HUZ5xPLVUFrcIOJ5Y16BalABd2XjE3Fe1n0kXOiR+h… (844 chars)"
  }
}