Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,554,412",
      "signature": "0x910a4289de9dd5fbbc9f9348d4d82442f4f6306cb94ea406e508b53105d825534332fd28d53ff7e1882d00862b29baca",
      "randomness": "0xacd70e080f560e5ab6888e58df233b7cc98f433246795863221f932ea730d61d"
    }
  ],
  "blockNumber": "7,408,938"
}

{
  "Sr25519": "0x008290a644d6c9c95a7506a8409de4512f17dc81859a0af2ec1b9b2e5208ca2952d652e1770ae007fac744efb4a62106d50532d25c3a3eb0f6bf64323a31fd81"
}