Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,655,943",
      "signature": "0x9843b3f993c3b6d1210c813a55eb21717f536743c15e484dd5b54a34800ab264ce1f5d2462063249ecfde1000dc09373",
      "randomness": "0xb2fbc734f59e143603343d9a30f57976bbbe4254928a5520a8651d792264a0cb"
    }
  ],
  "blockNumber": "7,434,290"
}

{
  "Sr25519": "0x3879b240e282fe913444fa7909a776ff4d21f517164581ff5744a7ec7af8d17395b026e4bb1b197a42e4f33646d333963763779016d39f86f2467152d7107f8b"
}