Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,578,351",
      "signature": "0xa4c55eccd19182de1efca53150dd4c0744e1b75ee7349fbc060326282a5c02ed682b3c910ef70b909242091f2808c8c0",
      "randomness": "0x61e9c57e48f69b3c2cbd628c21284b84ac7728ede13f1b6f8ef05fd1d24ec06a"
    }
  ],
  "blockNumber": "7,414,923"
}

{
  "Sr25519": "0x7a0d10cccfe495631376138b6c54ded2a706d2edcf4878d020222e584f206130c10337890f7f007e6d2f8b49a534b30b8c61cab29f116a29cef8042916c4ef83"
}