Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,555,732",
      "signature": "0x977ef0bd91480186cea9cc6fadc5c1157c797f43fa0c0297e3eeb75eb78a5f7352db97169ea432a1bc3ac1a1f4d922c0",
      "randomness": "0x2eca6bbd6726808354732174ef543ac65bfea35e029cafa0888c179395db90f1"
    }
  ],
  "blockNumber": "7,409,269"
}

{
  "Sr25519": "0x227ff23e19102c0a63e12e01b518e87670f25bfaec838ad03e68ed394cb211300d31bd09c085073a6f03b842a16be5c14d2db157972183d91da8b18739f8e38e"
}