Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,549,201",
      "signature": "0xb706250c6f8ac201b901885edf599b3733b1e603aef469a6be5879237d90392b5e3e0b3a5db2349915f1e9b488c7cf89",
      "randomness": "0x83855c2a199feea439ee3292e0e3e063e4377e764559f085b753fd35c3789661"
    }
  ],
  "blockNumber": "7,407,636"
}

{
  "Sr25519": "0xfab8c67a7e6c828b2ae1dcff59ef58f7ad80fa8eda4bdea095e1594e46dc885c6b0ed1ef8c8868fa2d35d7ee5e15e4974cbab293855fcf46c604c840cdf43086"
}