Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,644,730",
      "signature": "0xa65ec35366dab8a98403f7d3c2e57e650ff34812ad8746ecbb053dce4781adacd6f0623b7a441f900d29f3c117e2aec9",
      "randomness": "0x218e71b7205a60a79d6c0cd1b4a3b6c9acb7ac921dabee5e8380c446258113a3"
    }
  ],
  "blockNumber": "7,431,487"
}

{
  "Sr25519": "0x200c4d95e430c7cb1a096bc3019d8c5fd87153b570004c27b389cd2ea6343029f6f1933bf0136e88ad1a90bf8c1eded2c5cbdb650c6874936382d61d8a15c285"
}