Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,551,210",
      "signature": "0xb360fef5857538066966fd3658cf4432be0a4d9420cc646daa18b557dbe8870a0336f2a55e05bbe8b5b09df7b92a3e47",
      "randomness": "0xbfbcb43e9f5fcacec0a9d9bb421ae47a995431a3922e0444eaeae65a1cdc409f"
    }
  ],
  "blockNumber": "7,408,138"
}

{
  "Sr25519": "0x160eeffe455fec5930e4991337fa6a6ca320086690e720ceabf4c51ab3e3fd78c433234e3c9df08df655978ff26b39288e36b0581b3b501d3305f0903ffbf989"
}