Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,586,616",
      "signature": "0xb864b87e06b2290cafd04c6d5da1753368475a093416d0633be28932cfa42e805faf17804eab0dc206a8c845cb8199c4",
      "randomness": "0x9498c72649f6795943e1d24dc151dff50de4c78df5f17d4095a2795138dd9240"
    }
  ],
  "blockNumber": "7,416,976"
}

{
  "Sr25519": "0xd0bc68c47e356e280981fabd94f42366afcd8eb73972d48c7c304a07e2ba2e11bba732005428a5797f542f227bae561e93531b7af6d47314dbf54076ae1caa88"
}