/node/sandboxes does not display certifications sandboxes
/node/sandboxes
{
"identities": {
"size": 5000,
"free": 4866
},
"memberships": {
"size": 5000,
"free": 4001
},
"transactions": {
"size": 200,
"free": 179
}
}
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information