Write Pulse

{
  "public": {
    "Sr25519": "0xc410da2eb5c6384db3dfe5239e144da4f63ceaa585bcb7bea113cd12c9515850"
  },
  "pulses": [
    {
      "round": "25,552,922",
      "signature": "0x84a57fcfc37a5ab3f4993ddc1fbdb3db7c222ef4cd068062d8432232b8870d0aaada076dcf91cade771cd36b3f09f808",
      "randomness": "0x184178f532f3306813034f84bc942159e04267c37827a3b2f74587f69e7a62ac"
    }
  ],
  "blockNumber": "7,408,566"
}

{
  "Sr25519": "0x74142a4843b1278725f5c6b455296940590df0b8b26af42583e52b3b77e0e83ab25825adeb0a1b19fba40e3996ec818a4ac5ba92ae578de0ddd9b5d7935a1389"
}