GraphQL Node Error

File :

Payload :
[

{

"event_id": "EV-001",

"user_email": "vip_client@tesla.com",

"priority_level": 9,

"event_type": "high_value_action"

},

{

"event_id": "EV-002",

"user_email": "standard_user@gmail.com",

"priority_level": 2,

"event_type": "page_view"

},

{

"event_id": "EV-003",

"user_email": "",

"priority_level": 0,

"event_type": "anonymous_ping"

}

]