Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,615,949",
      "signature": "0xae04e9e5d03542421455168626a489b92882d1f66122b6322bce309cb5b1f53cfe9b223f4f5a6005a0a83b1f16c8b7d3",
      "randomness": "0xcdef1284ea5c1925b8ec3a223cd602f1f857929b5f648cececa456f1454a21aa"
    }
  ],
  "blockNumber": "7,424,303"
}

{
  "Sr25519": "0x14468334c794ebeb056d402952e8c698b23db9a1cb42333766e7c186a4ea6e2fadb29879d224664d4313ba849846098e2d44f3408a6d57e8c9d43de681c45b82"
}