Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,557,148",
      "signature": "0xb2d41276b546099932596f4875ea0dc7333e5add40ad27510abb33ae4dbe7c8ab437a5fb15576d157c1c36cdc6935622",
      "randomness": "0x5f4a7f5ee4b2d452e685ecb4834aeafed3beee1e20404a3adfacb14ff7141e09"
    }
  ],
  "blockNumber": "7,409,623"
}

{
  "Sr25519": "0x964663bc7fb7adb03ea897c01dc708e8963cda5950caa39b3ba3bcbff3649161a7e19d8d53b112c5e61ad3588b1b98dc0f22d12fec421ac2a8b3fc9f4013028a"
}