Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,612,533",
      "signature": "0xa452de005d78bbea83175c6ba314f2484600cb322e266457ecd6d470f5679fc9256fc440e11dc7258309c0128d9eac34",
      "randomness": "0x3c6ea49976c28e5666d6cfb14830e905155241e7a6f10971710112da85f7e865"
    }
  ],
  "blockNumber": "7,423,449"
}

{
  "Sr25519": "0xb2d07c8b1038928a5ae449ffc49a820ac3acb63eb449779fcd7472849c0954169f551f10c21724a9c2fa7b5437e08173dc6335c95e8ebd849a4a5ef2a837198c"
}