Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,579,931",
      "signature": "0x8c2b03392ccc64c87d465eceb3063b8d4026cbc38960d5b61f4ab957fc443829f9b167cf33d0806d0a188fb298f741a5",
      "randomness": "0x8984f49f02fc9610096db42a03b004adf79df514915c063cb865eb7772a02c60"
    }
  ],
  "blockNumber": "7,415,305"
}

{
  "Sr25519": "0x7a0f27df43a58bfee931c51bd17a55f3acf96047c5cbfbba6dd95c45535d607801c81172d9d1471b6ba5ebe5d7ae921d5836d9852f09c2d31eaf8907da47cc87"
}