Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,659,929",
      "signature": "0x988296e26b03ee57ac8830d40fcb0c0f3cf6718a72b85691cf344399e8c48529c214ee040b08cdcb8b41b7384f0b1482",
      "randomness": "0x7e1f236bebd008d06f7e82cc7e6b019ac6a4c6fc677f346bcef2901c59b3700e"
    }
  ],
  "blockNumber": "7,435,287"
}

{
  "Sr25519": "0xbc7e4120091f378536839643828d297deebcc3229983ba3fc1114734809c182c0e389c77e297a6b676e9b1f7e8fc26370db3e7940fc3e38c8dd52f4e6f39f088"
}