Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,555,869",
      "signature": "0xb48f6d9dedfe15ba6ef0215061d814db65d75165b427cecd7ce1e32a3998a02c221f480640c9e92d4d64c8d8c9a45765",
      "randomness": "0xe452915def48ff1566e5b4bbcb2d4c3a520e77f41696d1b180fef5e7ee31d6cd"
    }
  ],
  "blockNumber": "7,409,303"
}

{
  "Sr25519": "0x4c30e78b96567d55ca99e0e308d6b8ded420c6cfa77420929baa3210540a911d1f1189a48438e464c58041003190a113b63d9a7e974cbf3cb00542af99b3ef83"
}