Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,659,372",
      "signature": "0x8f3c16e6bcd0cc0289f8f5cb41d8fbb17605358e70fc1eda62ebd0bc812832ef2ba1f134d205bfd8dd77acfaaeea5cb9",
      "randomness": "0x09d21d38d7f765c9a031297e3208d6afcd62ee5c160b734b1def47f0dfd6266a"
    }
  ],
  "blockNumber": "7,435,147"
}

{
  "Sr25519": "0x18000da42c57d0360aca09b863f847f8a4d9ff0972d581eb4fb10593cd70d3040a68da68a10cf13e2d123d53f1b1050a0d9969d337f95465377e5d2848df788f"
}