Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,668,410",
      "signature": "0x8688ae6f15f45cfb78b5a196a144b181926962e9d1f4d91191d50e15b9ddcc456df1934600a399a85a0890d0429968eb",
      "randomness": "0x9bd2217abe576ee66d700f49616ba873dedd2d3c023bc39c62df4c51b6cfc140"
    }
  ],
  "blockNumber": "7,437,394"
}

{
  "Sr25519": "0x4401a063c446560a851080aca4c7adb819bc17d7da42810a878eeea7312a55601b4604ca49ec6eff680d9aa88b282455cc19df68648027cbbb37e44958ab1080"
}