Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,412",
      "signature": "0xa49b3ca0fc5192fcd8c0cd272166037ae0365f0b3d6214be858c38473f2b805db4d1825258ef31c87298cf531cf51f28",
      "randomness": "0x5b5adf31fa42fda25744957a21925758c4a343be135d999338a2350d4f34f5cc"
    }
  ],
  "blockNumber": "7,408,438"
}

{
  "Sr25519": "0x12b6d9e9f6951df78c093eeb6c872ede6b7cf50d7582469882f85fafeb64817cc386e2aa0004083d45e3ec72638d9e49c4c25d86070fe7127bfd9d7013d1c28a"
}