Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,578,489",
      "signature": "0xb4c00ef4ff63c31ae046a30317d203b7ef12afc5cdb57562cd5e58ad5c1c9276d558bb0f68d9b1882097519c9e2acb07",
      "randomness": "0x27d4133000e1363d7764adcd82b20d3faa8d78b9de2ec4500a5ad92bde759b90"
    }
  ],
  "blockNumber": "7,414,958"
}

{
  "Sr25519": "0xa462778964bc059b7cc74aeb2a046de46f142acc90625c63416f241ec632ff4bbfbd238419732e26401b8bd834cf97302cebd1870f8c8f9670737abde8a3e989"
}