Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,566,912",
      "signature": "0xb9b596ede0d0f066da15aee9b8ff0cfc990b20cb0d1c48dd5c7eedb5c348b34c4c33cdbbfe2a7f76a41c998b9de7e185",
      "randomness": "0x8aa9ced0ed7f00d3ed4618f515c3311430fb5ddc28c1ccaa51cb4b292682e82b"
    }
  ],
  "blockNumber": "7,412,063"
}

{
  "Sr25519": "0x7072c5fc9e3fd843d97fcd0887249df619f93abddad761973778f2abd0cc921a3c699313b0ef4a655552afaa2d9a6eb892896c405680646bccd9bce5c2f97f81"
}