Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,573,253",
      "signature": "0x99a1470664075d3e0d780bad81f0f7a27a5abc18de403074b9ea32dd18a449f03205570988707816fb7de4e7f16f8870",
      "randomness": "0x8aa25ead625087f5f80d8811c6b155234f65c126202aff0468c8b054df0c00bb"
    }
  ],
  "blockNumber": "7,413,649"
}

{
  "Sr25519": "0x62289f816efc70265eb5d915f48410b04398ee2da828f84cf44d92dbb2bb55187ac46f72899046158053f9fdbeb528170706e91c72505a176d47d55bc7b15683"
}