Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,151",
      "signature": "0xa63a53ef8bd75c2697a7f2b4eb172a6300b1dfa6b7c674dc6cab572caefef718535736f2587a0d4d678fb998260a4451",
      "randomness": "0xeb78593ea7eb172c21328de790645497e7f65d1f2b9c77285753ca2c699bb56b"
    }
  ],
  "blockNumber": "7,408,123"
}

{
  "Sr25519": "0x76d20a9ccd2cea2f7c7050a7b111f48f41de9c7b2b266e5b107d7ff4e01e18478a868cf44fbba99951197ccc54aac2f0bf14f484a07167563c858926c4e2978f"
}