Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,605,499",
      "signature": "0xa882d3e3299f2e0cf09b4753d2334bc65e394c4aed908f4d04ce4602d7a08c912f0d5416d25588a01ec08654857c1d04",
      "randomness": "0x19c102da5c4dc648dbb577833c86cd54186ef16cba17e6369555af97bf60d9de"
    }
  ],
  "blockNumber": "7,421,691"
}

{
  "Sr25519": "0xb6d775932d0c142e56ad7d4ec6592aed56500119771f64be1ef76b9db6eec7030692d4f3bf000f235d03aa253495052420211cd9792cd3aa3ae62ae96e1e4085"
}