Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,647,175",
      "signature": "0xb98205f38a50d949d34f9a18f46c0d75ef6816859cc87214b39fa61b295539384196f9e7d7b53cd0407db44caf844f6e",
      "randomness": "0x88637a2c6f39ca7750093a5deade3528af2a65d4ff483c7e53effb87ee8c7a4a"
    }
  ],
  "blockNumber": "7,432,098"
}

{
  "Sr25519": "0xca81f7f23307bc4efd0e81f5057c4da016840d4980e4e3b961467f25aed0631fb1d317b82f78bba5735f2df1300998963879d7c538a3fbd86652f5c0df3c5181"
}