Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,558,971",
      "signature": "0xb06ef4da16fa654dafaa622ab19e23f42b14ed02d614ec2b1beb61491257f284c3d7b1a418408cce234bece136aa41b1",
      "randomness": "0x8b8fadb88c883f8e7a17c499c67695d00ddd7134c901c21223c585c5d465ece1"
    }
  ],
  "blockNumber": "7,410,078"
}

{
  "Sr25519": "0x16dc549e60c4820fefeee6099ed632891c3cdc385c5d84bf2fa77ccfcd9f5649888b79a74d864e556da74c7bf415af3627d84b0fdc2b1d874035adac8013b48a"
}