Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,769",
      "signature": "0x8c3dc52cd101cdb4ec4ec2afddfb6ac2d604b0148e7125799cea2e8f03bec581a6805a5c90aca0ef5134c8bf28e79db5",
      "randomness": "0x57a2355004f586f297e1a024967f015616f709fa14923f657f3ea57acf10de3c"
    }
  ],
  "blockNumber": "7,413,278"
}

{
  "Sr25519": "0xfec1cf6d2e7c879adecd916a05158877641cbf09a77ba35e2850de227873311ee1afdd76c1a48d29c116de07836f4d24be64fdbe7ec2f06b38a75b3006b73789"
}