azure notification hub FCMv1 setting failed

已輸入了firebase josn info
"project_id": "azure-nofityxxxxxxx",
"private_key": "-----BEGIN PRIVATE KEY-----\nMIIEvAIBADANBgk.............................................LkOG+TtwHNR2GPkDAN2MlEfFmr2OxLa/rfVQnimqxrWOO9mVXCAEyLxl8\n/WSMtzUNlL9Uuj1mIL4j3A==\n-----END PRIVATE KEY-----\n",
"client_email": "******@azure-nofityxxxxxxx.iam.gserviceaccount.com"

{"error":{"code":"BadRequest","message":"Invalid Firebase credentials."}}

不確定少做了什麼步驟, 設定不上去