Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,695",
      "signature": "0x934923cfecbc0c089c41b4a59dedb81e82e970bfcb843fa3d7160f4a37cc6ae292ae1f880a91f8400c2355b81f797863",
      "randomness": "0x4f95fec01b4a1897aeb5c8b88329e6c04e2dc8059d075292658389d6e34d2a02"
    }
  ],
  "blockNumber": "7,408,509"
}

{
  "Sr25519": "0x1cf9687f43a02b1c57221d12a04bb5d996bd6b136b160ea0e73f1e9203cbd12d05905ab513774150bd0286279686a1e9bd4903c3c7ea700989c68161e7d73583"
}