tx 0xf471200e78dbdead6c4f926bfc3d1f184bcaeb5da2ff4eddd15fa6db8a3bfbbcCopy

payload

{
  "ModifyOrder": {
    "new_size": 809716599,
    "order_id": 472953155,
    "new_price": 7430000000
  }
}