Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,574,344",
      "signature": "0xb278056793da50df2a6cfbb8f50e4cdb7175d2c7869a993f798d8696036154ed63d1407a081ae1229a5d42cf5952dae7",
      "randomness": "0x4926aaa8c2e8da7bb046be1928099a76836fc008296441affacb619e14c68788"
    }
  ],
  "blockNumber": "7,413,921"
}

{
  "Sr25519": "0x30a7ed1b352cffaf204660fa960d77d227c5308cbc6b1c3f7f5d86a9a2aca216162519d8d67a7c063efb6c5a0c427b38f39f47eeac5293e47d5692830ebf9a84"
}