tx 0xf1f1f30d4c2e04b749dd8a32ced0515e9c52e46fc1d4178a674dac5f7bd32a2cCopy

payload

{
  "ModifyOrder": {
    "new_size": 1117857,
    "order_id": 816726,
    "new_price": null
  }
}