tx 0xeeffadc93aa5ffd422c40eea9108fca0e39281d0755e23d181931ec9fe6c3e31Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3865900499,
    "order_id": 388375041,
    "new_price": 6419000000
  }
}