Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,555,013",
      "signature": "0x895c853820e22cb23ff31555834838ad8e127443319cc7be21d2828a4c9ce8473551f9e674e97f38cdc51c1c19d6fa2f",
      "randomness": "0x7a63f098a2b6d77768674f08992d784bdef6df68dae8da3b0452134c215165c4"
    }
  ],
  "blockNumber": "7,409,089"
}

{
  "Sr25519": "0x04661dfcbde45e088a3e3247c57726e6ea6f6f75b56f0d6d50d5a5139935e61ad2a87f9ae99c40ac30f11b05c15b069d16fd78a9632e0f5e5facdae30029f18c"
}