Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,576,812",
      "signature": "0xa7fbd4187efd56fcd86fa939b8f3fa9438569bcc8814aab181261b66ffc310d66b2e8a7b0105f60ba961ed83feba1da6",
      "randomness": "0x9d6f7d5b0d067e676c3986ce796b013c846334372cf58e63171595bf1e762be1"
    }
  ],
  "blockNumber": "7,414,538"
}

{
  "Sr25519": "0x3e78dc52859fdb9214c5fcd968d604557c0b47fe41cf6a811bb903655bcc5144139873edda144f63b520a3de7d6382eb834b5db302990a65c9ac516c99a6ef8d"
}