Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,582,132",
      "signature": "0xa896780c02fe13134d902e434c445e2418c865cc1568607eaa406524eb63c5b68c89403dd88d2252268b449eedb7c1a2",
      "randomness": "0x7a8f854b6442f0018380c48440c4814b04c08b779148ce5a9e64a96d8d9fb047"
    }
  ],
  "blockNumber": "7,415,856"
}

{
  "Sr25519": "0xec3e4a83c7362a8286abafece7a0b547db475a0c9453fb0373e42a71cbfb7b00bcd388d40999cfabb4b1b163b45fa150188fbdc08a2fc9e0c71b886119e7d383"
}