Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,289",
      "signature": "0xa1fcb89d96ea51d8e735242c995201646a7c39cf2893bd13ceb88f8d18e5a8733347f0b700f818ef69941fd7a1e64a47",
      "randomness": "0xf5e8a4466a416e56950e0176c653e73b80541608ec5df78fc8b5aca95af53bb2"
    }
  ],
  "blockNumber": "7,407,658"
}

{
  "Sr25519": "0x7ea8f4c5216335ce7ead52d156c81152212bd78f9a7e8b4674406011f8b23540428eb7ef0fdbbe66ee3b2f089cd0d282b5307ddff529c188f3f0ddd858a4c586"
}