Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,556,374",
      "signature": "0xb93981cb5ca048570cda753ba1782608052e0c1092dc6dd6fcceefc5799344957137844f8567a6ca4d8d0de74fd0b476",
      "randomness": "0x6c2968a8c5400566d287fd18a944ef14a62c9aa4425a0035e8f7e38228d9b859"
    }
  ],
  "blockNumber": "7,409,429"
}

{
  "Sr25519": "0xc05ab2bb9225668abacfd8ec83808202a6966210a01b9573eae86b421cab135a666c0ff271fd0bd84cfcdffb6a34cf43d70b5e88bf5032e21ef5ec8a72740181"
}