Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,546,910",
      "signature": "0xa961f157cd21775c0a357034dcc0872f37b3ed2fa1230a3dbe942b063b70aa151e7e75ba86decaaea1308a028bd2072e",
      "randomness": "0x1fc7bd848eac24adaeacb9d4e524383b91549d1a144af9e365bb1cf7f9289dbd"
    }
  ],
  "blockNumber": "7,407,063"
}

{
  "Sr25519": "0x7aa6b1959a2be4ad46e9a63b39924a95b7bbc1ea0a4cc80ca0b5e2e6292e5b5134590465ca4dedfe2985a35f277e120c9e089d01759405f1919010b3ed8d6f87"
}