Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,573,449",
      "signature": "0xb9c50715f21c5a9fd3bbbc3247e605f945fe680a05657ad150369d6ffaf2d51f5f4863c26becf43e80e5c9ce83af453d",
      "randomness": "0xe3fc86f67ec83ef0f2b0dfeb18310998500568f020c3e6fbbde20aead7ec019e"
    }
  ],
  "blockNumber": "7,413,698"
}

{
  "Sr25519": "0x5ca427c4077bbbfc7eeab608669effdf985e434e6a94193974a66a04437fbe335516be22f8063120fa21bc8158962c2e9a066d259906bc239c595db490b26d87"
}