Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,642,623",
      "signature": "0x989ff22d85b7338ebd612a8b0a94eda0dfad6423e18595e3e312864d63963fa0c299276a16cb50064cfc361b9aac2104",
      "randomness": "0x589eddeda38f480c6071627630c73315db16d8727331319b8d4481b473bb7d36"
    }
  ],
  "blockNumber": "7,430,960"
}

{
  "Sr25519": "0x4cbe2f58c33cb9bee074fb4d5463eb6f392f48667b4a6d8e96907e8cd099e43f1d77d8c3271928df4ea953e014f217ac4a73a87a29d25a3c1ce70103f372ec8b"
}