Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,562,830",
      "signature": "0xb7e8276c95b268205e01116b6a5031e5a071e6f44c90decb83576f9a7203b026df8989e0a2548b6eb4e50548275d0d22",
      "randomness": "0x5d962dc5eedc97d01261c4cf2c2381ee2db4f4630f8183ea6d472c0de2b0d805"
    }
  ],
  "blockNumber": "7,411,043"
}

{
  "Sr25519": "0x58342a7b28f21930a1ee6e686e404059d85f3c768031c982b4a7e2685fba19551f2d9b7e9fbb3a81186d78d20349a88ccb2641a5e040e779d65f3731d60cee89"
}