Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,546,934",
      "signature": "0x81fe6ad4d6b4965e6ebeffec6a4a50fd29c99e005521d0d95afa7a1a75df1f06057e97637b534a302e12b7e3b042be83",
      "randomness": "0x7f626ab044da17f478f8839caa4b77788b1589d3bfadb335c430e01de7d856ec"
    }
  ],
  "blockNumber": "7,407,069"
}

{
  "Sr25519": "0x28ae3bcf005d3854517c1c1f50c035a15451534234edb810ee4629be01636a6d9d84b5043ca7f66a22e182cc47afd4848571ab3644014c0f7ade07b53ed0428f"
}