Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,351",
      "signature": "0xb769caca0ade0ead54e84767fec84e77063a79c608ea4c40b9b5192b40431b19f0037ce1c45487b06cd501187c28b658",
      "randomness": "0xd7fe62674e4b12a6726202e7107d3e923d503715922b57b9ce9a6753388fa186"
    }
  ],
  "blockNumber": "7,408,423"
}

{
  "Sr25519": "0xdc6378e160c2177e3450013f99fa1321ff070d3469ee0c152c532c83923c2a2386f806ad5070b398c814c0fb607b9fc226381e2c665c64b64308c86043c11487"
}