Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,603,951",
      "signature": "0x98cf9b351ced9016c50a14135f74a51ee643371e348c42ed1780e8102e4a88424cd05646b8fb1262259cd34c016ac64b",
      "randomness": "0x880f1a194be3852bf658abaa6da709426234c250559e99b3aec84a1c842620d5"
    }
  ],
  "blockNumber": "7,421,304"
}

{
  "Sr25519": "0x56e44f8171b2d377ac81ed46f6ce99d4f57b45aa0107528e19798ca063c0f75d917f69b2d1b997141a55b38f338b34a4442f1411f16e8d24df2e3c12b975e882"
}