Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,629,848",
      "signature": "0xb5d1bfaf40b21e75ca8e51b8703b97bb34fb07281cb0497b74867d59799ff373b9f4e3d2425ae72a2efbb5b367f05066",
      "randomness": "0x78c8bb8ea74687f0e8e2b1b7b08b3915149044dce8984d8be0006aa57052175a"
    }
  ],
  "blockNumber": "7,427,777"
}

{
  "Sr25519": "0xa2bf7d9fc4c08fb930ede512978a14e6d06b042ed7984f77874c925266fad96ccc74067be2d67bf193fbf9f2d204e0104b3d9c0ab53a65cf9a3bb95e91c48088"
}