Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,555,420",
      "signature": "0x8d3a2e41b2ee4a99d0a0a1815cfc35b30831727cbb8cd9bf3bac01d2d0b042c0483870eb6760c73496e35dc8de70aa83",
      "randomness": "0xb157ce6719c290fc20f976aa7060e01af4f5c85c4346a5f99187f1a733c52072"
    }
  ],
  "blockNumber": "7,409,190"
}

{
  "Sr25519": "0xe479847800a1033ababfb2e8156ebac62d71150dfead0997d95db4086034fc61ba585c6e7f9bf8a96700205cc386d87252633d00dafc3df46e0072f396bfb280"
}