Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,729",
      "signature": "0xa364d3f7ff94e7a7541bd8ad1cf97ce4e14efac9e40fdb89e77b5334048f204686576c62b71d004c0d6597a975047408",
      "randomness": "0x8f1656b7cbd15730c2114299c43859680701c4165c1e7ce06855c479a69f34fc"
    }
  ],
  "blockNumber": "7,423,498"
}

{
  "Sr25519": "0xb6a71c432864eca5e85b8d03b9d3d64dfc047fb394d39446207d8342eb1f447073d5c6262b450a2022860a84620651cff09ae1e9b3866126abf074fb113cc08e"
}