Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,711",
      "signature": "0xa7a57ed32f207b45f3757102227d3ad9da519a4b2e58605c8e5f7aadd5e55e923e216d0a9dd601624d82ed5fa0e12733",
      "randomness": "0xb17fb47a71986e994b0e6e0ddeefb86afed637a1efc677186b182945902ee075"
    }
  ],
  "blockNumber": "7,408,763"
}

{
  "Sr25519": "0x903159bc6258b87204bb08a6d1fb3754ce0840f10491347b6857b4f504dc6a099669a3550f855dc41fed2704d2f13ca7a550de81ead44e42ca01b19fefe8a084"
}