Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,552,220",
      "signature": "0xb6703c0943dbacf6b762d04977e467154d3daf1430ab625bb4b5d78602545ab31e6ea8bd2cf7de8c878be4e2bd308793",
      "randomness": "0x197c0e64febf6a518201bede1fd9730e59c0c077668defcdf40a921d1d928241"
    }
  ],
  "blockNumber": "7,408,390"
}

{
  "Sr25519": "0x348419d7f72ec613048274c234f38561e8fa3392c2c0575593e43aa0e9bd9946d5ee2d80cd2dc47acb8c41680431b5b939a9831dcde29c8b765cab40dbad2888"
}