Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,554,618",
      "signature": "0x8928ba40ca23dd98f364b856f00a60b60f94cbf25608586ffaf1cef736e25df1b53a304e6354eb243fa073d86061ffb3",
      "randomness": "0x08a518745e62450f3e4cdcb0834e0782d757bff8de19104bab70a4c3bb6ec216"
    }
  ],
  "blockNumber": "7,408,990"
}

{
  "Sr25519": "0x5472d590ae36d8f0a2a15aade4b401d1872b49eb9f7b0c614ab67060d3d0452b83bfd08d365619992a563260867e4000ca4b396d83f78fa79a01a89364fefe89"
}