Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,543,151",
      "signature": "0xa608353fff49418c4e38b27a2ac225fe00eb23c60d0248a65274c7ae44f2601e2a6c091a93ad5df03be2da7070efbf3c",
      "randomness": "0x48cf1c9181bd32a2f3082f955ee2508f6c78bafcc3e1f7a09b815993dc6b26a8"
    }
  ],
  "blockNumber": "7,406,123"
}

{
  "Sr25519": "0x68d5234e41102933f389c45814349d9f71e5b9504d4fcb9d7f52c7d41f74dd34a831f87c8bdd3ab73b7d3f39b0828b66d4106367c3037bcd93e459b2da999e8b"
}