Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,152",
      "signature": "0x915f623355b7997c927880a8b827762921c8f3ada99d50649051b0e258c2f15f30a97760fd0e402f21c10e72e55d4eb6",
      "randomness": "0x3391a128897156305d540f2d5eecda50f875e3f3f7241b006a9966ae1696d996"
    }
  ],
  "blockNumber": "7,412,123"
}

{
  "Sr25519": "0x44f97281dc506dcd7e3cbc2bd8c0b7eb2d5522f0e68d7d1018c0af0f997816048ec772a6310c9fd80a52074c0c4d0a3a8424510b3e1a93b3cd189068b09f4d83"
}