Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,599,469",
      "signature": "0xada5a52fd64a311aec9077fad387d93c6533c3042a1007e2b67408f74f2e0006b980612fce30acdb07187d8df47200b1",
      "randomness": "0x1526bc4d0be92aab67cc378c203c3001abb27907f9df4136e5bb37681b0e42b9"
    }
  ],
  "blockNumber": "7,420,184"
}

{
  "Sr25519": "0xfeacd817331a210ead314551d0b7593f727f2edb8966f544d8bc2eb596c2473a60aa3c88101cdda3f55d95f59f71f9df95d463f5b512172bd0d7e6b90edf6889"
}