Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,552",
      "signature": "0xb3b8446114ceba91ab70778156e61f32339e41c520a7a4fa0c9f43072265f66edd66ba1fcf5983cde7af433a398d5727",
      "randomness": "0xdc753a91d8bfd41801a3d2f31c3fedc8f177aa7f8cf044d9141336de5536dca8"
    }
  ],
  "blockNumber": "7,408,223"
}

{
  "Sr25519": "0x72dcb4c79ed8fe21106270d77087f75e969f6c651dd0f616eadedb63464e850813ed154d7b532abafa1c533bb082b77451cf021bf27e45c377e96b8ad0d67889"
}