Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,573,333",
      "signature": "0x95e3c43e2f142d242a8cd44542535698fcf3c833cccc2fbee6c17c6117c1fd1c39472c71322f9597a8526519346cae38",
      "randomness": "0x1246369700c4281eda3232115fc96567d84478b55066d546515f6362d5e03eef"
    }
  ],
  "blockNumber": "7,413,669"
}

{
  "Sr25519": "0x74352f8f5a95a8b6d2c4535884f235e9bb2add311b7e78bd3cb6456fc0ab5a4e99f82ae8cdf5d0468faea05dd75c3b7a14a21b95ce85c238c47a45161808e882"
}