Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,658,970",
      "signature": "0xb897da609b0ceafa4051805acda107eb6596280b4e424ea4cad9a337e67c3a7616e78f10abe1c99e667f390c2a6b1846",
      "randomness": "0x67a8ebf42b0a4d5956b0c6aded5d84eb47c07d0419040046c54a5e007dd383e1"
    }
  ],
  "blockNumber": "7,435,047"
}

{
  "Sr25519": "0xc8b0550ff91e8477e05e8273460fc89d4c0d94dbe1ab6c5a7420b44f9019691db93bf970719d24a47e22601ec18754ad16f0992556e4ac06cba7ebb7ba1ca286"
}