Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,572,490",
      "signature": "0xa32bc78aaa651aacbc604e4d801deaae73a17f028471c62cfcca77323a11f651cc319b81e46d16b41cea6c61af2dc844",
      "randomness": "0x42b8756751450cd97b6529fd9398041c148b6b6f56be9f2b378572f54e389e8b"
    }
  ],
  "blockNumber": "7,413,458"
}

{
  "Sr25519": "0x6a8d59186e593988a63317649195cb929ebf394cafefa9276aca6fc67dd4b80905bacfbb5595062e2bcf13e4d7491b78205259e93255c3a8d2378f4e5d8f0e85"
}