Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,554,662",
      "signature": "0xacc0c6ac5b1a81b8a422ae173f1a4f56774859182b6e0c290cc4448089392043ae53ed692cf471e9788762a88d55f015",
      "randomness": "0x506e0451044e9261fe4b0291fc248402ab0033d5fd961a17719b82eb4db70113"
    }
  ],
  "blockNumber": "7,409,001"
}

{
  "Sr25519": "0x64d20ec2bdc312182ac4b8600a34de4a122f85474caab49f78f769d1f9e3d462afc1f13267f5e7bc6cb0b359db01f136b8f7ec82c33f23c4d6976dba28b04f87"
}