Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,568,300",
      "signature": "0xb75b4ca71e12d4d8d95e948b2ca741cd1a291e577ae37ff492f8f5a28a192de70280bb662bb63749e0cb8580069b2f61",
      "randomness": "0x74a5f0a5d1af437ba1341d48b7cb1122e3e4614a36d8c76e9b4e152d1f7a530e"
    }
  ],
  "blockNumber": "7,412,410"
}

{
  "Sr25519": "0xc4452e0af92bd7be93ecc89c234d4c827761dec98c684d304e245e16b7f17d0e7a9bf6bfc3c63e65db38b320477b1100d25169f03eb429f9123f96a6acb58183"
}