{
  "applicability": {
    "agent": {
      "expectation": "required",
      "profile": "platform-hosted-identity"
    },
    "platform": {
      "expectation": "required",
      "profile": "platform-hosted-identity"
    },
    "service": {
      "expectation": "unsupported"
    }
  },
  "category": "platform",
  "description": "An authenticated caller asks the Platform to sign an AEP client assertion for a Service-scoped Agent DID.",
  "drafts": [
    "draft-kavian-aep-platform-hosted-identity-01",
    "draft-kavian-aep-did-web-identity-method-00"
  ],
  "expected": { "idempotency_key_header": "01J0AEPSIGNINITIAL0000000001" },
  "id": "sign-request",
  "input": {
    "jti": "01J0AEPASSERTION0000000001",
    "lifetime_seconds": "300",
    "op": "enroll",
    "platform_context": { "authorization_handle": "opaque-value" },
    "service_did": "did:web:api.service.example"
  },
  "title": "Platform delegated signing request"
}