Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,615,413",
      "signature": "0x998203dcc5d8f400071ecc6da047c81b92f540c9b091d1874548d1edb428427bda33c0be8be3d54d4114c2e9a75f7034",
      "randomness": "0x0b7498e2e383436858f71b05a2a00a13eefc0598afce19b9baec43507b7d09e0"
    }
  ],
  "blockNumber": "7,424,169"
}

{
  "Sr25519": "0x34f7ebe8e461d6b944794db5cbaa78148d1bac41c46da862338de92e43c3155d6038039d689ab1921a014b113b0c755edc3ed4887dc7d5a19aa4474b8ccdb881"
}