Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,574,137",
      "signature": "0xb9fdad6002220c7f90d8628a8e658a8b79e96aac9ec0d64ae67a9ca0e9cb11be430d8e5852a1f4893d565fa4d85ecd66",
      "randomness": "0xfaff018e616a6eb05c0ac0cdbb04a4499e476f10ce22df9d9f20e4fe8ef1c3f6"
    }
  ],
  "blockNumber": "7,413,870"
}

{
  "Sr25519": "0x220917a2431cf0829b86453c9f1efcb7cd3c34fb5257fde66e1aca64630cb0288222b11192e5efe347542b116443030a719865f5212796586a1df2b4534a8283"
}