{
  "kind": "payload_envelope",
  "expect": "valid",
  "description": "developer_equivalent_frame placement with a body, single required acceptable placement",
  "data": {
    "schema_version": "lifeloop.v0.2",
    "payload_id": "pay-dev-1",
    "client_id": "ccd",
    "payload_kind": "instruction_frame",
    "format": "client-defined",
    "content_encoding": "utf8",
    "body": "developer-equivalent body",
    "byte_size": 25,
    "acceptable_placements": [
      { "placement": "developer_equivalent_frame", "requirement": "required" }
    ],
    "idempotency_key": "idem-pay-dev-1"
  }
}
