Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,557,337",
      "signature": "0xa603a90b5cd97f61f2841343d897b4bcf7a127680f79d996d133c147dd47d9db805bd5906a49da9c366eda89b817894f",
      "randomness": "0xd168c835e4b5c837796dcd22372a9f152bbca9f9cb8f455337a11b471b455888"
    }
  ],
  "blockNumber": "7,409,670"
}

{
  "Sr25519": "0x66269531a5f608febb7d6a49a57565631062f93484139b9d4b7f9d8d77a5955d580633e8a974cbd72492087792a337a45609858de70d74e1279bab9ad5189283"
}