Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,552,623",
      "signature": "0xa4ceb2e155ec9daf2fa59f1ecb5fdd3317a8abf5b97dc78f99f009ffc2c6b281e8c4db6487a85359d449a3a29511c4b9",
      "randomness": "0xf0825a6e28448f4161ba83f0fecf0a394f1af602dfdc8e8174e0d9f2f9f89c45"
    }
  ],
  "blockNumber": "7,408,491"
}

{
  "Sr25519": "0x1c12e61d5121c9728e19acdb09e1496f1346384b1044738310a1cc015d38c747817b898804ec7a4724333e4458e518e4b145b22e89de4353ec4c60404a17d386"
}