Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,600,428",
      "signature": "0x84f910608bb5eaa85db92aac096ab6ebbfc43d4ce47a100432765f780d68fb9932d2abeaac3d4b349a6209be4fe1e70e",
      "randomness": "0x972d02394a58e4cf1d18b88c40b23f9129baf4e121b5b0eb6d4a98ad1a9ec4f3"
    }
  ],
  "blockNumber": "7,420,424"
}

{
  "Sr25519": "0xa646b57aee95d437ecb7f87be3db1de0951fb754bf136aadd963758a9c15240259355a1ccfc76823cda4993748ae5876e3c228057a0253898e8fc89a28215989"
}