Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,579,449",
      "signature": "0x817974ed65976c2a37f576bee7cedcfa01d1459b749bc64e32c1f1e0b603d0d4126c9bf4e2b815f4026f2e578d0cd929",
      "randomness": "0xff9bd09265144588c40661fbbbc59b33537b72d0a84c3b253a05b1b4450a7384"
    }
  ],
  "blockNumber": "7,415,185"
}

{
  "Sr25519": "0x8a564ec44a54cbb7b78a086be25bacb4f1eee457a69221c9ae1c9f3b9f4d4a01a15e605879ecf61f4d37771cb97d1e8b78cdea836ea8eda035ad155a85b52580"
}