tx 0x0749921c5b9a9c6bb1d0e8ae3cb2ac743ef10b3d3a02e228f26c5c0c32f9cfbeCopy

payload

{
  "ModifyOrder": {
    "new_size": 7911210,
    "order_id": 30049494,
    "new_price": null
  }
}