Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,606,508",
      "signature": "0x998cac3ba8d7b3f6e5058dc4d46deb877024c4d58af69fbec9ec06ba74db8794e84ee645501b117087d26eafeefa06f2",
      "randomness": "0x68f5e0e8223998c8bac0a082a80e12bcb536239f27f59a41e8e36db10576aad5"
    }
  ],
  "blockNumber": "7,421,944"
}

{
  "Sr25519": "0x2e8a6fdbb5b7547463183e3839515a32829d9e0abbde78f8141c77f1a5c559449a6eac178a80b2de774046f93a333f9ddfe89eb47fac21e05be8545b20635184"
}