Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,678,410",
      "signature": "0x9345b7c38831a7012a8b5df9e18c347a22a75c9bc6411dc0f4356cc640f1279493d9ecf124073716b9778007706e8b8d",
      "randomness": "0xdc6df0cf9d7c1177f955dc70ba8cea6e5bcf5d879b84b2890fa32270f8a65949"
    }
  ],
  "blockNumber": "7,439,894"
}

{
  "Sr25519": "0xe62efa39340eb3e61236b94697d9d05ecf34e0d89222326fad1eb164191e430feba793e4718e7150b7ff8059e587220871a8360e5cb0f18111100d260eeecc84"
}