tx 0x4fe56b2e90c7a63551766c8a68512f0d9a02b08d7e1b2deae601b1f3d211f49dCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 419531,
    "new_price": 64438000000
  }
}