Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,580,773",
      "signature": "0x811eab5c1c149dfacfcad2f2712c4ab167ccc112429c2b3fd055b351b1a7375e049770d6457116498be8425483a29e79",
      "randomness": "0x87fe0ad3b5a641c3371d130adac66416f05b39e97217473d2fef1eabf1047f6a"
    }
  ],
  "blockNumber": "7,415,516"
}

{
  "Sr25519": "0x36d70b519f6bb5a251b7d2b3b693f324a91ea992a4107e0c403d30e3670d351cbec58febc308303d37d167d53c4ccccfdd44327cc7ea05c944e93feebdf93f88"
}