Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,296",
      "signature": "0x9178f6e8209984be612c5316bdd207553a615bb15cc8c84e67c61744e7af1ce91b4ba7c861d3011782c478060190b71d",
      "randomness": "0x1d369c56d434643cd27e40ecae83604da5e0a40346ee6af71fb3df57c0ffa72e"
    }
  ],
  "blockNumber": "7,408,409"
}

{
  "Sr25519": "0x4ae8aad5911714bd47ae4e45cd29f480ef6fa10f8a0cb9de86c1b807ab930f455c2f367a8144dce659d947c2b280d5c770bcc07dc8e202a691239a3bcdfe7c87"
}