tx 0x645a6b44df1fbbcaa51d27ac4fcfcee5679b41e3c1cb6aad4f4cb4b7323ad5ccCopy

payload

{
  "ModifyOrder": {
    "new_size": 1388736379,
    "order_id": 272509817,
    "new_price": null
  }
}