Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,600,154",
      "signature": "0xb67323a14d335c75b488138424f8e03bb8bad4f383c83d79d4a454133d0b00ce4c1262e31706c4731465007504a77402",
      "randomness": "0x127d66505e3fcebff96877482e9c4468e41613f2926baf119e84edfb0a5ed3a5"
    }
  ],
  "blockNumber": "7,420,355"
}

{
  "Sr25519": "0xc040e2ca07ea54b41060512058409b5b62fc8a2682cfd76f25a806ed3924af7c91d73140a7caed5511307002b08c170379efc730d5a5ba26e07f012530e3f284"
}