Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,548,408",
      "signature": "0x8ff5fc85fc94e681046f525ddb56a95224f7ab069d0302810490e27cd4ecf273da54c933822b6f614009fbcfba92a1a1",
      "randomness": "0x4af89fbc6d1519448f3d5c147d42c9dd26e9722b7c8378fb0e7429774205381d"
    }
  ],
  "blockNumber": "7,407,438"
}

{
  "Sr25519": "0xe4d4392f0109d93e9f34822f76c395c0bf965fb09dcca3590b43d2fe3cc68a0476404cab53d1341126655f5fa78d44f7237c49f5b0854b8ba9066c1f4474218e"
}