Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,540,330",
      "signature": "0xb91b9c0b20ef56b78247173081e69895936215e1f71c37059a486a369500786087afaf6dff763c4d94a4889fe125b27c",
      "randomness": "0x7c98d4a461f19e7fb97c87b5b2cc8182b43898302a8b2db6cca59321bc0dc2f6"
    }
  ],
  "blockNumber": "7,405,418"
}

{
  "Sr25519": "0x786ead7bcff66207080836e643de210d1ed41f756a6905d2db0670d01a453203297a4ae9a5bb7baa83e8d409684288735945c7c769a5e7963c95ebb1f4ad9581"
}