Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,551,942",
      "signature": "0xac9767d2b86bd74fac304c4193a29aa5eb3ad2cb6a99f180e9b61b348b94c083884fd4eeb0c7e338c609ec699f0dfb70",
      "randomness": "0x72456b43500d52ce2b5306e448d931200a7a9ee58a5da6913a6a9daf59eefd40"
    }
  ],
  "blockNumber": "7,408,321"
}

{
  "Sr25519": "0x200b91c9efdaba000c9675c04c83017057846d1becd4858504b745994382ce6fcc9f3501483a5039cdeb08ce135574487d75ef156ccd0ed322daa823e2b60486"
}