Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,543,792",
      "signature": "0xad1c171977a689f0c5b8224a444cc77815a22df2a4c4472d91ac5ca02134410d2ecfa8fdefcb63332d29be1c9b3ed21c",
      "randomness": "0x39e8166345c0c5fbc297e03d9ae9d0c3510dee1c242cd11ea259fdb9a2c70a08"
    }
  ],
  "blockNumber": "7,406,283"
}

{
  "Sr25519": "0xf25973eab14398b04e1c82421ff172d54e93043330f16a1ef1960fbbc2033b43e44836e0613e261d1be387cb2bf7d7c417603a9ea4214ceead5a9969b6af8e85"
}