Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,615,494",
      "signature": "0xacdb6c85b07f92edc2cc12f832594b59978eb9fad7513edcc25a1c2b1fc4651ab42765afdf80b38e0ccb7356ddc0daf8",
      "randomness": "0x6c74569b42f4f41ae370d057d47e8696e5296530c99ae56697e02e7ed27d10ba"
    }
  ],
  "blockNumber": "7,424,189"
}

{
  "Sr25519": "0x108420c7c894f0084f9cbb262f3f2920fe5073c3591f14571e30c1204bc4ae6a09d9f710bc18783c28bce878bacbf53b4a7dd479e450fd52985f446f70cb8c8a"
}