Here you go:
URL and Auth details as per your environment.
My URL: https://{host:port} /api/v1/events/ingest/0
Method: Post
Data:
{
"events": [{
"fields": [
{"name": "Environment", "content": "EnvC"},
{"name": "PositionalField", "startPosition": 6, "length": 7}
],
"text": "Ninad's API Entry",
"timestamp": 1396622879241
}]
}