Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,651,814",
      "signature": "0x859c554e2789c55d68afa12fbdaff55102c7f96b3015b8e59a68898c7528102938d943b829babac294f1a0f9ec7557fb",
      "randomness": "0x45ac193b4d1ff4429557a6c4feab24a218435f8c07f282dd858693ddaf038176"
    }
  ],
  "blockNumber": "7,433,258"
}

{
  "Sr25519": "0x1c8adf25d99d6ed7cac13fb8c76fedde646c5150ed1ae24c16b6c29609061574fc40cbf5efaea2d858b2c78d54be1570482f8fd8779a551f1dce22d6c5d44487"
}