Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,581,448",
      "signature": "0xb5d0fe1f63cceafa2b7de2f6af18b1960ecf4025bf2274176a16829ff1cbcd3946ddf22ec44ca42d84ee4273e0a77a2e",
      "randomness": "0x738009c54c066a1741df730f770cfb15f3ec09b07e4099eb22a4925b7491968d"
    }
  ],
  "blockNumber": "7,415,684"
}

{
  "Sr25519": "0x726b27e2d3b463076cb4a4ad5d593cd35ad7f03f95a17fd825b880513c25b174fb19889b7e6440c7d9349182202492cf8ee194f17d63775936558187be127488"
}