Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,581,129",
      "signature": "0xb6db836738afa9235489c4aad0deff6db51e6a2fb64a81e177cfcc2577c2a1369e72a640616995a01c54c6b892886016",
      "randomness": "0x40bd018b67a59101ca69b659dd5933d8019a2c94b82e2fc4c1fe1250774c6120"
    }
  ],
  "blockNumber": "7,415,605"
}

{
  "Sr25519": "0x0a478a22201ee7a8b6ab714e6decb6ca8a367f4c5228ac005cb5a4d63e95a952a9883f1c1230c69deb6feae7309645d10b5226dffc49d1330a75ec7f42a1768f"
}