tx 0x19b73fd5861f2bc9ae821f72ccf5239a45cb470b28b02cd925c4d1df6d2e2b2cCopy

payload

{
  "ModifyOrder": {
    "new_size": 50000000,
    "order_id": 11993201,
    "new_price": 21689000000
  }
}