Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,657,609",
      "signature": "0x8ce9bc5de16598fc50b976fd9dadf37ed5ca6aa5da30f9b461790d0a7f00fa7fb9872213bda2a1f0e18759dba1a30542",
      "randomness": "0x49174ae78a797737e6ffa26f1419d6ed7301689f20a589ee1fa6eae57807d0ca"
    }
  ],
  "blockNumber": "7,434,707"
}

{
  "Sr25519": "0x74702aa1b2dfa048125cda03bd28584004bd2f812db24668821ab28bffdb4318e2ce0d6c1f584840b509462002d93591d8553b4eda3594f3c6149172cbf9b582"
}