Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,581,203",
      "signature": "0x87316102916e336f016e58e3f6e051d24ba1a6d58789396446db9590f1b9dd32c45b853d8729f260d16462a84991fd97",
      "randomness": "0xb4329769debc9c128b22f79c1c3895ccd1976f64b6ecd8b9214df857083c507e"
    }
  ],
  "blockNumber": "7,415,623"
}

{
  "Sr25519": "0xa87d8af69cbad19ab11d878c1b0601990bfcdd27bfe909cb56befe7a7d0580200987d7f764d556fbf5b510277a51147322c2ef64ca97ef103b96a498d22fa28b"
}