Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,650,215",
      "signature": "0x913e66326b02d64bf11c20e63a8ceb97f40ff5aa75a5d015bd3336625f6f2eb6c751dce5efc114f4b973d77af6d268b6",
      "randomness": "0x9c68d2b6446306a55987d12d9a517b98567b90bce2e8c8f577f132ec7187f1a1"
    }
  ],
  "blockNumber": "7,432,858"
}

{
  "Sr25519": "0x76a75a63f568542a521a5e014037e4db4c56c5a8cc7f31ca5b246b0071422646cecb2f39e5213b836f9de605f55087601bd157ddcfcf547d3bd2e1dbf53dfb86"
}