Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,608,962",
      "signature": "0xa31a2ca5f5c48de1500101d52e0eb9ef0ed834edc6530627b6d72f1d3faeb3ea8e01a0e453b5d32a8305735c37e278a5",
      "randomness": "0xdd56a73bdc787c8d157ada5200dca88143b1bea54c6cbeb525ff63ebbad533c2"
    }
  ],
  "blockNumber": "7,422,557"
}

{
  "Sr25519": "0x6402a714a8fb07f29eff3938d04f395c08ddc7ac137ce7633534cad72cac3a69ee879635987682a5e0a9b5a9102e58652dd2d8de1642c97b27e35dc7e2247f80"
}