Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,553,301",
      "signature": "0xb1a4d9ede39c3968d686fcf8fc951937510b83b34d073b05a655146f296838824bafada4a840d09c9deb56e14974886d",
      "randomness": "0xffceac72440ba4e5823f66f9566a1bb4cab24e85f94f5b4a7f2f66d80b0e491c"
    }
  ],
  "blockNumber": "7,408,661"
}

{
  "Sr25519": "0xaaffa214f9a020b0ccad84c9fb57d37b94889847bf606de96d253099d9e45514f4d98528a950ecbb8566e4ca1bf9dd2d089490f650dc5de76dda81430db48e86"
}