Configurable WS subscriptions broadcast interval

[stefangutica]

No description provided.

[github-actions]

k6 load testing comparison.
Base Commit Hash: f7c3c8d
Target Commit Hash: 0734a7a

Metric	Base				Target				Diff
	Avg	Max	90	95	Avg	Max	90	95	Avg	Max	90	95
Mex	57.16	775.69	60.82	62.95	104.61	1688.79	220.63	296.66	+83.02% 🔴	+117.72% 🔴	+262.74% 🔴	+371.30% 🔴
Nodes	57.04	1008.64	60.73	62.80	105.77	2373.35	220.74	297.80	+85.44% 🔴	+135.30% 🔴	+263.47% 🔴	+374.19% 🔴
Accounts	113.95	837.12	118.87	124.39	107.56	1706.17	225.78	298.77	-5.61% ✅	+103.81% 🔴	+89.94% 🔴	+140.19% 🔴
Blocks	80.87	1326.47	91.29	94.87	153.85	3018.90	299.80	401.27	+90.25% 🔴	+127.59% 🔴	+228.40% 🔴	+322.96% 🔴
Tokens	57.94	1208.60	60.71	62.83	170.75	3360.46	345.78	549.27	+194.72% 🔴	+178.05% 🔴	+469.57% 🔴	+774.22% 🔴
Transactions	80.10	671.70	89.72	94.26	151.63	2030.15	280.49	403.25	+89.29% 🔴	+202.24% 🔴	+212.64% 🔴	+327.78% 🔴
Pool	57.77	988.74	60.91	63.15	106.66	2989.23	220.98	298.74	+84.63% 🔴	+202.33% 🔴	+262.81% 🔴	+373.04% 🔴
Test Run Duration	60004.80				60002.09

Legend: Avg - Average Response Time, Max - Maximum Response Time, 90 - 90th Percentile, 95 - 95th Percentile
All times are in milliseconds.