Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,568,351",
      "signature": "0x906a1e87fe6e9d89eee319d44f544481c18589c1b6ca8dd26e56a214890680769e90de96f1a28ba1af9ddbb5c5195478",
      "randomness": "0x16b78897b97ef7d7bd6bf36f4c6f823c22ba1b11c35c4ab28e1575d5d6ce0177"
    }
  ],
  "blockNumber": "7,412,423"
}

{
  "Sr25519": "0xfea869af4f5f9724da26430abc2dab83d32091a15aa57d344554c197a5f7ab76decfa4b1397c25c6883f64582d07e1102653e276035c32ff1e1380a6b39e4588"
}