Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,581,150",
      "signature": "0x881bd9b88282656f86a2dd014d0db8f6a03ecf74a4ac1359570ffc5b29faa01741686b81bbc235eac2c8b04e01106af7",
      "randomness": "0xfa35ee5f7a8323fa7841e44a94e2ff90aa35f2f9d7e035d92cf426ad2b1d0786"
    }
  ],
  "blockNumber": "7,415,610"
}

{
  "Sr25519": "0xb0f6c33dca61770a0db4cdff31ffac5498dd9b9197c26fdb2f7204d446e24c6c970007de66ff274f0486f558f466983d94eeb4afb1c470a8977ad6a6247dc288"
}