Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,654,696",
      "signature": "0xb649e66422649d85c49aa9a9bdb3cfb6fcb3d1c173382c119c86d38b1af7ab5c926201e8799a629fad9eb7c8b39e7c38",
      "randomness": "0x1e2f9e06e2b0e722c139ea417d413d8de91c3bff06b5e2d1a506b3617222b2ca"
    }
  ],
  "blockNumber": "7,433,978"
}

{
  "Sr25519": "0x06a0b5c0c039a376dfd23764b777f006ff883f6ecac18dda5ca22d5aba1e7f2c02b8abb147b8005dbd676377e83f76ecd4453d247daf179a2ad7879274268e86"
}