Discriminator indicating this signal is from a data provider's published adagents.json signals[]
Domain of the data provider that owns this signal (e.g., 'pinnacle-data.example'). The signal definition is published at this domain's /.well-known/adagents.json
Signal identifier within the data provider's catalog (e.g., 'likely_ev_buyers', 'income_100k_plus')
Discriminator indicating this signal is native to the signal source identified by agent_url, not from a data provider's published signal definitions.
URL of the signal source that provides this signal (e.g., 'https://signals.example/.well-known/adcp/signals')
Signal identifier within the agent's signal set (e.g., 'custom_auto_intenders')
DEPRECATED. Use signal_ref instead. Legacy SignalId retained for compatibility with older Signals Protocol clients.