tx 0x5084c5bdfdaca0e8b881c7e0bcfaafff060c0b0e2dbb9a74d85dc42be37e3a4dCopy

payload

{
  "ModifyOrder": {
    "new_size": 504474380,
    "order_id": 339123423,
    "new_price": null
  }
}