Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,571,290",
      "signature": "0x82f59f7b53fef0b7d0f63e9c9b0c629cb07246012e3beaf6d7469e66b62d042f33660434fe1284ffe990c20925e51529",
      "randomness": "0x788d6b5abba28362d4afa06519af9bb6779023ab28c89f357e4a4f25971330f1"
    }
  ],
  "blockNumber": "7,413,158"
}

{
  "Sr25519": "0xf6c5d7e84410915753e89f478bebd78511a63805021733c77fe15fd135664e676e37a4ab013b40518e3b3e4959b7916a3441949a7cd6cf1eab4c14e38c5e7b85"
}