Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,545,210",
      "signature": "0x8fd19091e2c319c470f2cd998c09ecc3c770e9cf49013dacc98def85d8b755fd54c9f399f2a5bddd82353945fc909e32",
      "randomness": "0x2f6e6c34d272201cdbef8650469d6864c156c5582c634d21ebfeda4ca6c767f0"
    }
  ],
  "blockNumber": "7,406,638"
}

{
  "Sr25519": "0x4a431b6e1bfbc7d39dbebd7fd683138e8e206262622f5ee260c4df90a5303165bd2f3ac2e10f24f7111c29c0c2e83580978d037490b1c705a13216f3f1b9c982"
}