Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,543,940",
      "signature": "0xa3b6c0d3807b989d0bb3b3137fe96e4b84c49b29c0f866c02d0be9fe0dabfbed4991d90d7ea34ceccc174e498aef5b47",
      "randomness": "0xb04d75aacf34f5fc30775d7e28821a61fcd8d78e7ff22e37c0042e7c622455f4"
    }
  ],
  "blockNumber": "7,406,321"
}

{
  "Sr25519": "0xbcd5a91981476f1eea45e737888db1dc30cf23e458c6cdbd32f032ded3f5020cb5e91f81b74556545e13eff9817648090e01459c881b376bbe78be9cbd50b289"
}