Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,534",
      "signature": "0xa09ebda7b06cf410518ca413046a9b60c84f3436d84b9f0e32cea7d5113f8375dab72d628d7568a3a005dd84068eb18d",
      "randomness": "0xb3475e5ced09c93d88e5df5d7409a92fefe4da3e35c07a82250429446739e2bc"
    }
  ],
  "blockNumber": "7,414,969"
}

{
  "Sr25519": "0xb25a57a5d2a822eff536fcd44266bf04e654220c26141eeb1a0e3ae3d0b1806252c905752e02ddd9cbdb2cf83dda8c77bf753c200d4e4d717fc69b5433d7a483"
}