Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,570,615",
      "signature": "0xa13d5d9479f27080c93a716334ed08ed03bf475a8c0d49856b6e509f6474a8fa4a7228ab8929eb684f42d18db8787b5d",
      "randomness": "0x49b531f11f008c5072a83749060fd20dc943b46e4b4ef56a10c1ea943687622f"
    }
  ],
  "blockNumber": "7,412,989"
}

{
  "Sr25519": "0x969baaeb60d8fbfa7b4ff28915bd61c2f3489c289980940b4e37bc8d1640ca570816f8c470f021411aaee98cf540a8f1f24ce0cfcd1b54de2659aba0ecd8158b"
}