curl --request GET \
  --url https://grid.squads.xyz/api/grid/v1/accounts/{address}/passkeys \
  --header 'Authorization: Bearer <token>'

{
  "account_address": "<string>",
  "passkey": {
    "address": "<string>",
    "permissions": [],
    "provider": "<string>",
    "role": "<string>"
  }
}