Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,578,670",
      "signature": "0xb40357beba61001313e91bea8d37635196d78fc1758778da702c1442ef436a3b7a3a9d9a07d1d03cbb07e1aa91f7a707",
      "randomness": "0x4acd01763f3550edb368ab88016c49e54b60e077585289f0e19db69b362a2816"
    }
  ],
  "blockNumber": "7,415,003"
}

{
  "Sr25519": "0x9ac086e10c0ceee64ad19278f9f5dc508d114d072345e5cd70dd543136d41349d0e8da8c21dfd91417e64a6878e353522f6803dcd80e63e6ec73f9079ed00587"
}