Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,010",
      "signature": "0x8a4a99c0c760a6002c1b88f88c724e075dc1622a638f093bc1031a35ddcb50057cc74ba60bc2a034550e4c64f0965d97",
      "randomness": "0x71b85d5ff48210c4135624b8187dd2f30f477728bd7d59b4c64cb5bad2064f38"
    }
  ],
  "blockNumber": "7,405,838"
}

{
  "Sr25519": "0x18eace5569657cbd377b376269b02f23bd1eb584cb495028e29f40595e428f38ae8b6a7b66e93f38850643dacc947bd06e98da7d06d83aaa6d387c50861d6281"
}