Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,613,132",
      "signature": "0xa822a80c1f2672a92354ac109c7cb7a87ab805691acce91d05c4916b3036282af9008de41cb0105291e3cf4626bd6889",
      "randomness": "0xd47f966fcc997f36fc480b5684dd0466689e652ea75f7a75ecae6cdede0dd7a5"
    }
  ],
  "blockNumber": "7,423,598"
}

{
  "Sr25519": "0x6681389ab99372d6d2d3954b0f909aaa10163f45ade4e2eb4ecdb235c765604bb12b8aeb29c2cd81cb44196222433ce05a6b3ebab31fed00e6f3db66ec401987"
}