Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,645,068",
      "signature": "0x959473cb2c131978ed4424b7ff5bf0f83dfd1965614393e0fa6c7f6511e543050c6cd0174ce799420505b549a36c6e7e",
      "randomness": "0x8dbd40dfc9f6a049a8176ea78c9932dcc7b53ec1a12f2f61868e04ecb1dd2b38"
    }
  ],
  "blockNumber": "7,431,572"
}

{
  "Sr25519": "0x3a1e86774c0f5accb182244e32656b11e72dc190a4c6d950b31b70fc8d12127b57de13aebcd14f5b047d4a664978378f14dc880453b018e168d2692c88f5748d"
}