Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,546,331",
      "signature": "0x86c128e843c1f0db16cff9f9b61177ec4df47a5b68a519c1bc33c61ab0b4d7c7cd35a501b58310f9420f05edb29407e8",
      "randomness": "0x16cd0ca4fbd9cff6fa12f7e9a070413eb40be73c572c44d8d75ef78168a04505"
    }
  ],
  "blockNumber": "7,406,918"
}

{
  "Sr25519": "0x90f87bc0ba1beb6f7660631362d0b18fec57c3c17a7ef41a4b574b63f6f0b337a64763bee9f8f2e78f6b2ae754e1ffccec8cc1704de2de205f67de00a4553182"
}