Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,408",
      "signature": "0xac681eb6c50f82f44287696d85787480e7d2389976af721f04a0a007ad69be67810b274361316db860bcac13c0552e89",
      "randomness": "0xbbeb479d8f5904abffec552016d055fdd2df9ad8790b1a438a1b8f0a0aa0faf9"
    }
  ],
  "blockNumber": "7,405,938"
}

{
  "Sr25519": "0x18cb934475cacbc17958797f79f4aad461a7d7d828addd25cef6d18a38705e4275e89887dce66eef67a737daeb419867a41346358a0c92b17c605ce56ed64c8a"
}