Default push: {{ '{' }} action: 'want', data: ['blocks', ...] {{ '}' }}
to express what you want pushed. Available: 'blocks', 'mempool-blocks', 'live-2h-chart' and 'stats'.
Push transactions related to address: {{ '{' }} 'track-address': '3PbJ...bF9B' {{ '}' }}
to receive all new transactions containing that address as input or output. Returns an array of transactions. 'address-transactions' for new mempool transactions and 'block-transactions' for new block confirmed transactions.