Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,230",
      "signature": "0xb82ed0de8107f3030131cac892c8ed3e2ece81c5bdc23832dee07b1d2c8a5188586749b05ad41ea9135407342cee408c",
      "randomness": "0xce6c1a7a6a63a9c7218986e685d306d4f5805d25a4b65ed579fdccd337870eca"
    }
  ],
  "blockNumber": "7,408,643"
}

{
  "Sr25519": "0x502e9500b98beb37fb852408216a378f0e462b8d339d4b9427e199e66baeab0288b37da1294c659eea2570140eb5a3104d56456a785684f7fd01eb6a866d458c"
}