Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,574,331",
      "signature": "0x81bb2dbbc70ace52ffba3f13f90fadde393331a7b413a63182a4b4897a1393b853b20051aeab6f45cdc28fcff2520e11",
      "randomness": "0x7a436cd90e8ef24523de7e76b55acd57b32687258756784ba4e05b18d5824f37"
    }
  ],
  "blockNumber": "7,413,918"
}

{
  "Sr25519": "0x48b9aa8ff302d48b370117709bea0388e83d422f082b6bac83375de16173e45621bb8fcaf224470e3541373ccca5a0a17d6ab3c9e94ecd7df95de11af9f92889"
}