Broadcast a signed Polygon transaction (approval + redemption relay).
Accepts signed approval or redemption transactions targeting known Polymarket contracts, and broadcasts via our reliable Alchemy RPC. Rejects arbitrary transactions for safety.
The transaction is signed client-side (self-custody preserved). We only relay it through our RPC for reliability.
Request to broadcast a signed Polygon transaction (approval relay).
Hex-encoded signed transaction (0x-prefixed)
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