Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,600,429",
      "signature": "0x8f654a861a5aa2bd41d633cd95f4c2598fb1ec9a639f2e9fe5cbafa894f703b049880dd0065887b7db440475dfbeb7e1",
      "randomness": "0x373ab1ca591b656507839b4e075aa820578701712b99b7fb59654dbf9965cce0"
    }
  ],
  "blockNumber": "7,420,424"
}

{
  "Sr25519": "0x42d025fb57088dcf9deb9ce7089dd74800e03d5013fe7a67a957ea15cb062b31952506658a90a3a231b3e6beb24a426811a7f458cbcd42cce4025db8a5096c86"
}