Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,594,172",
      "signature": "0x90e4fd72277f739f5edf4fb5afa800847589d891a78e6a9484fad2d31c3c31f0c2f63207176ffdec31cd8f41d6edb7d8",
      "randomness": "0x850cb76d734261e0d5096590ddbc19e053497979e9051915b1ec1d2f9da6bb07"
    }
  ],
  "blockNumber": "7,418,859"
}

{
  "Sr25519": "0xec98ef4fccc20fcc82fc0dbe126dcb8a337bae120b7f56a5c9843e2e38dc2b2109307eccabbc88a6eb83967be550d2f234e1885b4159060d15001e207055fe8c"
}