TraceFast knowledge graph: every relation interval an address has held, oldest first — as the subject (`direction=subject`: what it pointed at, default) or as the object (`direction=object`: who pointed at it). Path address: The address, `0x`-prefixed, 40 hex characters, any case. Query direction: `subject` (default) or `object`; limit: 1..=500, default 100. Docs: https://docs.tracefast.xyz/api/address-relation-history.md

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