Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,543,095",
      "signature": "0x93a1aee50e4c925feb8f2f013d5e6e084b0bb60033564efb54e8f129f1971b71f8d124cdeefe3ee5d24d7c3e3c4a2de5",
      "randomness": "0x662db1be4ff171901eb4189ddfbcac4cf13efcb538c1ad198d1bf143a20a20c3"
    }
  ],
  "blockNumber": "7,406,109"
}

{
  "Sr25519": "0x90b4e49c2f5869aacab0e55b94143b5075c799bb78d4f9dbe7b85b3bf9429d4c0c4245a05f2f14495b01e33b48b605e31db3a1ecd49f59d28186041a8c8daf8a"
}