stage_0.json

{
  "my_payload": "hello world"
}

stage_1.json

{
  "type": "pioneer-v2-study",
  "id": "9dd86c52-a4b7-a24e-8fee-ee597ef17865",
  "creationDate": "2020-04-15T20:13:08.928Z",
  "version": 4,
  "payload": {
    "document_namespace": "pioneer-test-study",
    "document_type": "study-ping-a",
    "document_version": "1",
    "encryptedPayload": "ewogICJteV9wYXlsb2FkIjogImhlbGxvIHdvcmxkIgp9Cg==",
  }
}

stage_2.json

{
  "document_namespace": "pioneer-test-study",
  "document_type": "study-ping-a",
  "document_version": "1",
  "my_payload": "hello world"
}

study-ping-a.1.schema.json

{
  "type": "object",
  "properties": {
    "my_payload": {
      "type": "string"
    }
  }
}