Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,578,581",
      "signature": "0x9434c42e2ee4666f0b6e65eea4cf1eb46fef556d37e8ac00c3d1438ab3dd78d0c2e5db39bb9a3688df022718d5fdec77",
      "randomness": "0xf65e1877ab3f5ccf86e3269521cac93fc06d2185ad225c43cd398c670340450e"
    }
  ],
  "blockNumber": "7,414,981"
}

{
  "Sr25519": "0x52696f8580d80aa7837135e7b95276f7f8f750686314120cac4ba617bcfdc038818d32fb70185377d9e0903824a15b011fe3b864742ebb27d172d6898fca5783"
}