Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,665,142",
      "signature": "0x87ae2f372ac12fe659e35daff62e50b07e96011585a3a1132f9d3bc07453412fcc72424d51868e77bb1d950071266c1b",
      "randomness": "0x019d751b186d4ea3cf565c22069089a2998b29254177092f2345523b3291e886"
    }
  ],
  "blockNumber": "7,436,577"
}

{
  "Sr25519": "0x404e540ec0b2f12594f57f021e2d2f65e6356e3af39a7b72fbfa040e2426ef20c94a5c458f728afc42ee2ffc62e0c8e3e25afd13e0af408fe1f8761dbf1e5885"
}