Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,622,250",
      "signature": "0x950b229e5aa371268be589ca2bfa0aee5b359f33e45e41d108fba172d2e78da2e174bee756fc2d38637b961b15026ca6",
      "randomness": "0x66ffd17e731dfd5b7ed29eb4590970757425e011297f9cb0d12acb555a688dd5"
    }
  ],
  "blockNumber": "7,425,877"
}

{
  "Sr25519": "0x386f3a23b9dd707c31f9cd2ccd3eed71354ae26570f3610ae3e1858d91e9146bf85c2b444681c89bf549d221454c5cc07ef5a46b946b5ca7168354521b331580"
}