Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,617,309",
      "signature": "0x92adc914f19c821c0e488a3c734f85c32c1003130a121100d07e4e4c85ff53f7bf980287f75f469806c2c7f870e44170",
      "randomness": "0xd67b9b50a63c107a788af921326107996fc536daec316834fab5ef469c2ed59c"
    }
  ],
  "blockNumber": "7,424,643"
}

{
  "Sr25519": "0x4eb3bbd53c53709219dbb34323d678ce203842d7084266c1729df4ad91b4923e2ec5e5ba1bb7b9493456b6bb1943b7d3ee6cf24464f245a9b06722e351c6af86"
}