Current server invalidation sequence at the moment of negotiation.
ISO-8601 expiration timestamp for the negotiated token.
Role-scoped group/topic names the client is authorized to subscribe to.
Active provider driver key (e.g. 'SequencedRoleBucket', 'AzureWebPubSub', 'AWSIoTCore', 'GCPPubSub').
Current server process ID for sequence continuity tracking.
OptionalTokenSigned token / credentials authorizing the client for its role-scoped broadcast groups.
WebSocket endpoint URL for the client to connect to.
Connection token and subscription metadata returned by
NegotiateClientConnectionfor Topology 3 external cloud WebSocket multiplexers (or in-process GraphQL WS fallback).