Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,550,947",
      "signature": "0xaf2c5085d4d656d6c37a21bc2a82ba149b425b2d2247abf2df0a160930102f41188ad3cf40fe44c8f5517ed2a6a1f2f9",
      "randomness": "0xfb76a8aedd829a272c93515bd3745296295606fb70bfebf9d9f76c9abfbc1b6b"
    }
  ],
  "blockNumber": "7,408,072"
}

{
  "Sr25519": "0x7a51f6881983f77da23609b45b6b021025f35971733c7be09e2fc63bc08b4a6184a51c96044b6dcecf48d046a1802da78250bc9a1379e0789f461094817cef85"
}