Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,290",
      "signature": "0x9983f3d8f558876414d0797a837ea2414d830bbdb99fc21db5c7592541e020116fbd4a882f99ab7d358732b509498c1e",
      "randomness": "0xd0348427663d38473732992db57a730a955b007f16dc063f5d99d8d7ed96f0b8"
    }
  ],
  "blockNumber": "7,407,658"
}

{
  "Sr25519": "0x98377e2b3852e61f4d3fd20e1124ce63484bba958a552540a41129edb7735109ec114d31d3cc08eebe98f51109691f225bb05eb0a50c19b0a32d142cb3bb6f8f"
}