Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,553,015",
      "signature": "0xb9654c6f2f055255adfeb57f18269ff39e4182262845e68f040ec3e8ea8ea5b9da4747d1e8acf231f27bb04971b8e0d0",
      "randomness": "0xf75ae5697b22ae3569bc86a5f772400eaa420861eb62c379321968966060084e"
    }
  ],
  "blockNumber": "7,408,589"
}

{
  "Sr25519": "0x4c44f3566bb9481f3b5489eae3c1ebbc5a596c9ca56ca9a93d3afcbb7a76554d1a10667478201259882d6868a596a53e61583fd56c6ff6f070540e019735bd84"
}