Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,554,130",
      "signature": "0x88fb91f9f4d874ca56cfb4eee02310ee362ad6fc89b6b346e58393dc9b8bf58073380d69522794212bdb38c65bfd5e09",
      "randomness": "0x200e78fb855d79b33d73efd22d876850c0f1b76d5a30e6546185a314a1d50dad"
    }
  ],
  "blockNumber": "7,408,868"
}

{
  "Sr25519": "0x68c0423b366084674868cd1445e0ae18310813c4b05b91adafa3eae59874275a54c6a6c6638dfd37b36159ced324a252f16df4b604d3b8a1572e3968b6500b87"
}