Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,568,591",
      "signature": "0x87f40426d9b15a6c7ae2c2b7bc2751e204bc912f164d79f30c2a60e6996206f32e8131d7468e1d7d3b1aa744150f9f0e",
      "randomness": "0x5de1f5826eee4ef1a17ad685514a00ab8bcf893f815d9e2d620d65f7f174c47e"
    }
  ],
  "blockNumber": "7,412,483"
}

{
  "Sr25519": "0x8456a14bb977027a1bf21eaf53e929ec01d2dac18b6bb6ab1148d5154518e22f50ec52ea4f6359805c696909354db6ce86faf8dac5fa9df8499326091f5d4a81"
}