Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,606,327",
      "signature": "0xb42d2589e61b1d94870030fe844727377d86ece38aad55fcee48b4dfb3d0870abf091b2f790977581b4e7f49d62e8f1a",
      "randomness": "0xaa5912f9467d888505c86455ec4514fac064f364a30fc9867f81bd69fff1febb"
    }
  ],
  "blockNumber": "7,421,898"
}

{
  "Sr25519": "0xd884e570940553d0e542ae849eff3405d03e2345aa618963e4b0e0521b45e77f062e67a088512ebec0b0aff417b21867d71d1594fed6afc329ce5bb57177a483"
}