Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,549,575",
      "signature": "0xb759271035754e7d9915c78596458287953dce4057c058f761ed8ab29375b8d895b7f3bab34071f9828ad588ae03fd28",
      "randomness": "0xced010f0dd07e5309234baf0ca8d27f695d2d4f5492b6c716f7876c82e589646"
    }
  ],
  "blockNumber": "7,407,729"
}

{
  "Sr25519": "0x7e78ceba4ac39fb866e6c4af6ad2c52e4f31ace9fd253066dcc95818f251b92204653a5bf2758837613b931ceaad0e21daa993ba0948279537294b51b1bdd688"
}