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Send a JSON text message on an open socket:
Or filter by token mint:
These addresses illustrate syntax; they do not guarantee trading activity. Addresses must be case-sensitive base58-encoded 32-byte Solana addresses. Wrapped SOL and USDC cannot be used as mint filters. A trader filter matches the decoded trader; a mint filter matches either normalized token leg. Starter and Growth require a trader or mint filter. Enterprise can specify either, both, or neither. When both are supplied, both must match. There are no chain or terminal filters. A successful request returns:
Each connection can have one active subscription. Filters cannot be changed in place. To change them, unsubscribe with the ID returned on that connection, then subscribe again:
The server responds with {"type":"unsubscribed","subscriptionId":"sub_..."}. Closing the socket also ends its subscription. Unsubscribing discards queued trades; subscriptions and their IDs do not survive a disconnect or restart.