Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,570,648",
      "signature": "0xaaeb658bb9e47566f4ff5c875f2e7452bac90c5fa2936adb24ecc5761eafc303d01cb4cbd72f328c5628b942370ee97c",
      "randomness": "0x7c19f6efb1b699e565adbff064e5cf2745f699b892a3df925e314b277966a3d6"
    }
  ],
  "blockNumber": "7,412,997"
}

{
  "Sr25519": "0x1487382c9b26a12fb8b6684cdbbe6f5e7aadf083927f2227455287328714fd48208134111fd8b16e429e0c56a955a2f6ad57e2a4c59bfbf32796d08b7c1a1f88"
}