Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,831",
      "signature": "0xa0b7255084e8b30f0c1ecd4836e75dfeb5f952510971e8f163335e956fdec963bb1205c779e4b88a3c2d86e0fb5f593b",
      "randomness": "0xc841b470d8a8bbc8dabf8d15a52fc0aedb314927864567f59af10d2b67cee2e7"
    }
  ],
  "blockNumber": "7,408,543"
}

{
  "Sr25519": "0x68628fb795297dc63df588234350e01d164a4ef6837e16eca9481e8aa3130004c4121171b2cd541642c243354bf41de342f949a01c428112a2cb930b87b8d180"
}