Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,636,988",
      "signature": "0x8eb1d70d994d1af34a7f1783438313453995bc0cfcd625d8d076fe2c1c2340d052ff72c65e6a18e53886430b24b6d57c",
      "randomness": "0x64109d21b6521dfd5ae8e62da21b22a1e239bf32aac317be5562e22a312a4db1"
    }
  ],
  "blockNumber": "7,429,562"
}

{
  "Sr25519": "0xf66c651a3e178b81cefe162b9f392fd067c342d97e54dda9b623c81e9582ce2da05960ad7f3d6b4eea1200d2045d079dafeecfcfa36de2ca1dd0ee83fb0a2880"
}