Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,272",
      "signature": "0xa8a83b23c7c14ba2c2e69274ad036dc95911c5f6abd11da6c3b456bca6b5251af934724e57fb7df1a1c5fdc9b7fc3a21",
      "randomness": "0x45677a76a85e8a86aef073d6600514057d472a8f403f8386abe14afd1ab5cae6"
    }
  ],
  "blockNumber": "7,413,903"
}

{
  "Sr25519": "0xe8b4981791b05e231c282f026191185a6443761fe78dea31d19ec23af5445d7e029df2ad6a5b641be8b9d10fd956a0dc8528fd09ac289f9bc89af4b423b54a8d"
}