Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFJLnF6vKKclBK/1SHL2OBU/XAiqBRdoHHZPn45ZcA1sEfSrSUV4jPjz0nu… (844 chars)"
  }
}