Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,492",
      "signature": "0x93f183905384908c9d0d5377c5c02632331dc798a2e6170a10065525d5f26930de834af47f23ff7297f12008847bcae1",
      "randomness": "0xb2a18e0c250a1584052325f317edf3380a894740c4a4e77adb863acd08acae1a"
    }
  ],
  "blockNumber": "7,423,438"
}

{
  "Sr25519": "0x1e31668de29acd03ce498d21a3111137871faff54a0d909ba4f276d003a1c0790c9d087d29e66eced1d9c5e3e65d7cb1081deef3ff1fce39932e4f6b74fdf984"
}