Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,543,311",
      "signature": "0x97b449185e1cd77ab97bef5a0c5bdf79a2bf1be96fe665ef63147ffb36826665fe99c3c6cdf7c53abe1771a9944a8c72",
      "randomness": "0x7ef9a019f931b88f295fa5f6cdd683dee4161be9ad812e83aa298c7c97c31fe8"
    }
  ],
  "blockNumber": "7,406,163"
}

{
  "Sr25519": "0xb297cb29a680ebe1690b95c15aaa11bec7ce41a6d6ac2807527f0154e17a701a0efb660da0385c25762ba840dcc415f999351884633256617001dc07b2405789"
}