Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,544,512",
      "signature": "0xb80c8e24c67a3d9fcc48a7ecd0826707ef683b257d7206cdbbea75580bfeb4cbaec32252d70da95ff4dfb5b32c83d543",
      "randomness": "0xf7b667bde37671a2fed88e4fe0d5fe30dc03c57e7118ac25a5af29f81b66026e"
    }
  ],
  "blockNumber": "7,406,463"
}

{
  "Sr25519": "0x021db7879725113bc58761265686cb0cd1fb89391282a10b026674998437703dca6ae5ffe4a008ea46309861a54d76da31b00a9a3eefd178762e09f028d9c18a"
}