Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,564,672",
      "signature": "0xaf77ac3e3eaadb68f65f96ea4120a9c78be99d834a58ac8d75efcd3684d219b687eb4b5fd1ec3577d77bcbe251c7727a",
      "randomness": "0x6d35377a7487e799640c2fedf938b470414e2ee9e5a003902afe93be18f8ba42"
    }
  ],
  "blockNumber": "7,411,503"
}

{
  "Sr25519": "0x160dc15214321de6afcde58e50e8a0bfe8d8c4da4f1fcae263678ab3b1bd376b49a81112a654ce36d179ec6cf88ef52dd65b6ce0362ae2e90c94b511e57b4987"
}