Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,190",
      "signature": "0xa14f247a58337dac7b57605b475b4c069a5ddb43dddd4e78aca0a07aba5d6a5cb1f4a967739beccc7b381b384081fab6",
      "randomness": "0x039290771b984c0ea0f82cf7a5e95e925ba6e1c8f734b83dc8579b94b6100554"
    }
  ],
  "blockNumber": "7,407,383"
}

{
  "Sr25519": "0x10f54a63d1e09d28c51c39d8c4445addda1110afe127a4a8fce2ec012b22985d1e436b14ed11ffd1b2b20a2c53c41d9d4a61330515978b88611e34d53a39208e"
}