Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,540,616",
      "signature": "0x88e2428f75659243247801d0278232df0e07fd354763beeb6da902f46d3c8d4edc3b81d23830f42e5186d08842de0387",
      "randomness": "0x0f32efc42c701dc55226388cb84f193190fff452b8e85a63b86ae96a3ea5d66a"
    }
  ],
  "blockNumber": "7,405,489"
}

{
  "Sr25519": "0x449f1763076c15b746c4db00cca843a9492c69e11d1c44971f454d3351575e0f2b3fdbe921c6525c1152276c756c52fa1373fe772bc862307c5cf2b387872285"
}