Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,580,543",
      "signature": "0xb436daee8a72169c3017782e42925b547d19b13085a3b2a3172f9299865976aef9cc919dcd0bd9b276e43079725930e8",
      "randomness": "0xa33da03170e41d57e369805bbc18256dc4239162d7be817d1f35412944f158e9"
    }
  ],
  "blockNumber": "7,415,458"
}

{
  "Sr25519": "0x18b42c93b26e4415a6f34e2acc5071620da060d689d09632193dbb72309e2d5174426e2d348528d874c68d5bb4220d44f41d7be889d2e10a69728b86b99baf8c"
}