Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,613,131",
      "signature": "0x890b03f17fac3043daacdc58d1d2286a5714daca3e92bc46b8498019adb894da49a2dbc2d78005702aba3fc8926350de",
      "randomness": "0x1c38f7b30ae10d1d7e81af0a96a881eff6268edf44ae6ec8e151ea96e5e08825"
    }
  ],
  "blockNumber": "7,423,598"
}

{
  "Sr25519": "0x76d69968784ef3024646a507fb21adb58529df59e628649115eef6f464c879765be0200092f4bcac8cdacc6de26b0991d674c6ce9ebd1c79e8128266e11f918c"
}