Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,573,851",
      "signature": "0xb3ee98b83951de2926e6a2d789b6fd1eace9e3a3919f86d32110357b78dddbf4cdccdce1538bb7e316e09147c6398b82",
      "randomness": "0x795870f257512ead3d5a4bde214363217d156d1f02143d59a11ba03586af55d9"
    }
  ],
  "blockNumber": "7,413,798"
}

{
  "Sr25519": "0x4cc43f4a78db9cbc4462969f873915934bf008210934ccc2ebf3b564df991675845cb801adfc26d8515445332004b4667c770ea28f78f1d8d28d91fc3b87fb8a"
}