Get average block times

Retrieves average block times (in seconds)

Responses
200 Average block times (in seconds) Schema — OPTIONAL last_1h number Average block times over the last hour (in seconds) last_24h number Average block times over the last 24 hours (in seconds) last_7d number Average block times over the last 7 days (in seconds) last_30d number Average block times over the last 30 days (in seconds)