Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,578,651",
      "signature": "0xb0befb01d4ffe935152077d4b4d1165fe2a88d5247d1d613532ddbcd68cc45532e83e92e253e14ab54c6822ee2e3a51c",
      "randomness": "0xb283cff9321a36858f5eb0d763a2c7eb6dc44341f79d1aa548b61ef5ecbd6351"
    }
  ],
  "blockNumber": "7,414,998"
}

{
  "Sr25519": "0xa0da663f07afbc565f0e714093ee9b19266ee57eb813fd68a1da69698c774100888828ae35d6bc69598364d5119968aa03b650c34a681419f0b0d3206d3c608d"
}