Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,574,970",
      "signature": "0xb552f221d243d25d8fdb161ff2db330350480544f93524831ee9f21b73b4d8d14cdce0aa300129470dc4cee40eb56c8e",
      "randomness": "0xd31decb7e3defd9665ff7bcfa54da619f6f653fa56232154da76d565667f607d"
    }
  ],
  "blockNumber": "7,414,078"
}

{
  "Sr25519": "0x0a5c56b7697f0b2922679b9718fbcce244454c1773aeff582623c1b7e586733f751f320bbdb89d089cb8eae7c0546f08623b176194594de30801c230eaeeee81"
}