Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,574,234",
      "signature": "0x821d72ba7a36d36e11f517c72d6d1d3470826b1d0347186b997c56ab104b018e3d424ecda1111abbf32a826e80163a7c",
      "randomness": "0xed2f210c7a1a63994d22c633a01dfa89aee7b3ce274ddecd4d6065f4235e2eb1"
    }
  ],
  "blockNumber": "7,413,894"
}

{
  "Sr25519": "0x16f2df9ba1388c36c01c69751d4372ba522051b948d5c6942be41d3adebed8763b93876df81635821d2c9f7a388601ab4e4ecd587564f6c7a9f561bc8c0fab83"
}