Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,573,370",
      "signature": "0x81936ca36b5402b58535c4a32a5137073ba4170a96c69a8793e479c787353d1dc02996d5326184f757d4ab6cb8c3741c",
      "randomness": "0x3140be12aba73601e0ceca40fbe08153326d470878cc8c76bbd5be92e9167fa0"
    }
  ],
  "blockNumber": "7,413,678"
}

{
  "Sr25519": "0x3421951914cc5aecc0eb67b3137b771bfe24bfdcc992bc26116081619f161244cf2b51f7d2ef41ba69b22832b5592e6598c8bb2e3385e0b2d0aa329c2b85ec8e"
}