Useful during spam attacks, such as now.
nostr:nevent1qqsrx9cn388rqkd44mr2c9yaxk4cymk3w6052wysaax8rusvf00a2fgpz9mhxue69uhkummnw3ezuamfdejj7q3qxdtducdnjerex88gkg2qk2atsdlqsyxqaag4h05jmcpyspqt30wsxpqqqqqqzq4lyqh