Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,790",
      "signature": "0x8b6d60516fe0f62ede008f1ec4830afbdd499b666970808ff20a1969579ed174c66f7ffe718821ca5989d3384a37b641",
      "randomness": "0x2890a38252afac77725e215231c6133f17d54b578f92e99e5b85f4515b058269"
    }
  ],
  "blockNumber": "7,407,783"
}

{
  "Sr25519": "0x5ef83d773ac22d95e73b7cb651f2e66081b3e4332a08ca5ff6b109d454142f51409acf0022cddb9163fc40cc9a929fc03247dfcda920b5e348c077a42ab67384"
}