Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,610",
      "signature": "0x937a7a11d1a27e32ecced705122cc3282d6f1872b6d9a59f3cead12c64bda67ae23907d16b9be74e2f85301136edb4f6",
      "randomness": "0xf6da3f4aaf3cada237d0dc3cbfbb89a26f96a1fd4cd013dd49f94fc5e269eb75"
    }
  ],
  "blockNumber": "7,408,238"
}

{
  "Sr25519": "0xb40a40a2d752f9fac9ff8c65f3165b7a010272e6b6354312e26b6e17cd9656476389760e674417c910490f8cb8b022eeace738fd75b1f00c64f6d732e4c3be88"
}