Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,555,072",
      "signature": "0x819e1d39f147cdb92e60604a40ebdc7bddae297dab05439a129e4dc3a8dc4937f7dc16dd5607fd22852a0045b8833487",
      "randomness": "0x883f04c9bc437f1c69a845375bca1321ab240d05a0be6922168435a94f70a98d"
    }
  ],
  "blockNumber": "7,409,103"
}

{
  "Sr25519": "0xe63abe183f577b127a1fed5d3d05009c18abb732c6d92c320ae3f805e3f9c47858c9e43625542aa8d57cbde06013f50a4d8238aad85035694bdb6837e78b3984"
}