Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,624,650",
      "signature": "0xa393934b5908f7f71eb48e219caebb4fac5decf25082469bd6191e8fd09e9980fb93268b700b7f5d6b5f49031f120d50",
      "randomness": "0x0c91dd6e781d84d460dc47f4537b991b21983b77c55857c8b224ec77a7b9e452"
    }
  ],
  "blockNumber": "7,426,477"
}

{
  "Sr25519": "0x1a9881da2c2866465f92f95fb02c4cef306ef1c13c87f96b726682c0ff65d92bd03641cfcd4a194e4f6966c966c7569ac5bc840a9e304dba9a3530500438378e"
}