Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,530",
      "signature": "0xb2c4fbf6f391eb5333187489017c8b5f19c3083a3616e9b668d1d8e9969485a2f3866bd2e581eb6b66861a280842b236",
      "randomness": "0x9706c033e6a3dec828f9df5b44da89a1dcbb14dd1fed293b9514b93b030cbbcc"
    }
  ],
  "blockNumber": "7,413,218"
}

{
  "Sr25519": "0x5439b5755df1a7ca244373c387121ad569b72144cb1922d3abdfd8269a647363402a75fc7fb61b300bc01fa8f46ec92926829dc37c8ccd4bff73576a93271685"
}