Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,569,735",
      "signature": "0x858ef9969f332221f6ac1a5abba40ec49a081f626059ecf38568c2fecd60180dff57493755bf65b2d43e1af1c99c3d58",
      "randomness": "0x6c330665a2e4610607ed0d8dc730a37639d3672d6ba6cc028e10c36c4358a476"
    }
  ],
  "blockNumber": "7,412,769"
}

{
  "Sr25519": "0x881f4b857cfb3f7f82ff0e6ff2185671db574e7b6254644e3d1c4f12d0d1450f219a5397545f0924ab7a5ba43dd263414d49acbec4bf33299d1521b8fe4f9088"
}