Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,547,128",
      "signature": "0x878cd828d222420c9d33005dd7fbd38fcd57be9071821c707530cd857cbe36c09dddd1381c5462e8675a240e011d5842",
      "randomness": "0x8fc7f03b7822006922faa478b4aa191b442d574ec86ea5fd9d4e15de71924124"
    }
  ],
  "blockNumber": "7,407,118"
}

{
  "Sr25519": "0xc23a3692c01294cd532cd5a90317eb72ab84fa919ee9ec9636f08874e8342f590d38c0ec3f6a9ce87c5a9a208919227cec600a885082f8735291ed0fc7dd2a82"
}