Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,543,769",
      "signature": "0xa3e6ebe08912ed037e6aa10f3e03fa94f3289e21c0ed028ab21780e84b31019e1658f60499d27c443899930c17d0e7f3",
      "randomness": "0x3bea49fa0f43c252cac24c4e3b978c280ef5bc9d8a7ab27f434f858e8add17ff"
    }
  ],
  "blockNumber": "7,406,278"
}

{
  "Sr25519": "0xcaa219ad33c9d7f24962f7320d056963afebce4221931938c74af4e425eca920a991fe2ea8af2512666290b697f5fc4cec80379ba94571f7144944f3dd59e283"
}