Transaction

{
  "amount": [
    "638.998660 OPT"
  ],
  "toAddress": "optio1psn4clkcxrhh572gtk3m0ta9xgfqqnescjl9hy",
  "fromAddress": "optio1uk2d4n72zhx4kuw5ctya9jhddfle77dq3dh7nx"
}