Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,130",
      "signature": "0xb25207a1ab8af9e66595f6d98f72ca77247295300bb043544956357e2b4b9c1460151edd3541bf581c627a262225771c",
      "randomness": "0xc52637c9d43df08b9387fa9dece3dffaa629e27af74ca219eef2b702c8d63fc2"
    }
  ],
  "blockNumber": "7,409,118"
}

{
  "Sr25519": "0xb0392ffa6f826df05d1ba32f677f121a2ba1254cccdd90fda98659335051fd44f8f584cd4196bfadf1f4961923215e918618805c71731757b8b44337e6ad3285"
}