Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,538,971",
      "signature": "0xb3b9158593d564b766cf34839127b4a62ffe228c325f626fd94c646a464afbbc965868e7812a6e15ea141061769766a8",
      "randomness": "0x2e1a3914d617522366855cec7c9a3fe8f93653b4d5826b36795c97e111215633"
    }
  ],
  "blockNumber": "7,405,078"
}

{
  "Sr25519": "0xe88f47e7c57fac07a4cd6bf1081857690c24b588f259062abecb718b795cd415e76e80adbd62a04db1bec2fed5ecfd0ade04cf508597207804752216d732f583"
}