Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,645,451",
      "signature": "0x8ff1d1740a7ce3458c1e2a3204fc2f97070a159a888cdb18734e9455d2677160321ee998908bd3bf1e28c755ef25d39b",
      "randomness": "0xe480d1f9eda2884acb43359e43fc3f6ab6ba9efc24a69544126bbc3d3eaec70d"
    }
  ],
  "blockNumber": "7,431,667"
}

{
  "Sr25519": "0x4aa7ad16f5a0bb88416a91d83dd669a33322739b8be8402f08cd8486b9b53513099277a34035209201b4c3005278369e140cffd03444f81b552a391c91d81e88"
}