Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,605,470",
      "signature": "0x835ba41278bc5b4820013124edd909c13e60366f9c7974ed5eb30f6a23dfb2e9d7e7930170b2051d8868304deac102c5",
      "randomness": "0x666c420c46d31ef72214079717c775c27c2707c6885263130c0a33c5337facb6"
    }
  ],
  "blockNumber": "7,421,684"
}

{
  "Sr25519": "0xd84441da38a81758b83b646b7f44ebe7eb62347b7e4efba57d8cf23266ef936b01c1029b3928bfd55c39e026820d676f5ce07fcd5763e5d0a129166e7911c283"
}