Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,603,491",
      "signature": "0x8271f27a4e77a7bd0925373bb25f0e46ddf7acd96577f09ab160fbc140a12dad77dab870f48aa43160ef2df6aacad97e",
      "randomness": "0xbc91eb74259057558b5b8a6765400605fd06d0d4ae8e4f5c587a4e1006ae3948"
    }
  ],
  "blockNumber": "7,421,189"
}

{
  "Sr25519": "0x966b6b354b1a9ae6867e1ca0dba89a48989ff9333eaf796b4015988859996e3480fb084f166caf4f233ddee5c4de1d158f6ca519e320b7fa1087922c2e413f8e"
}