curl --request POST \
  --url https://grid.squads.xyz/api/grid/v1/passkeys/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'x-grid-environment: <x-grid-environment>' \
  --data '
{
  "authenticatorResponse": {},
  "ceremonyType": "create",
  "sessionKey": {},
  "slotNumber": 1
}
'

{
  "passkey_account": "<string>",
  "session_key": {},
  "smart_account": "<unknown>"
}