Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,577,095",
      "signature": "0xa9ec5e6753207d35b20599bf890f8b65a55e89a64871fac5e3d15bc3edec882268c7bd12fa7bf452cd8ed5272804b0dc",
      "randomness": "0x730b6b0e17de8d1f7d8b1f315852acfca49b499bfa6fd4da2b89588e4f7abedc"
    }
  ],
  "blockNumber": "7,414,609"
}

{
  "Sr25519": "0x76cfa155db8db32552d330304c8c9fda7e34c2cd080eaa2cebcea7523d329752d0c362a843bf41ca4f21cb76d03cc7bcf16279df5013842c8c6c8f4ac9f3a086"
}