Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,130",
      "signature": "0x959f61cf18ead426ba71dc1df1a42c405c4a3c94da19c8c6c03d1fb64226248cbd4c18b449ab7574ebc66db54df7e659",
      "randomness": "0xa3efbe6318044fc54be80b4845af6ff7c01487221ca2187f4973841154c7ba78"
    }
  ],
  "blockNumber": "7,409,618"
}

{
  "Sr25519": "0x78bca686a3e3be5c10f4b9fbedc4f73e8795bcb4f026e02e790fbc20f6a58447dad7e686717e3c47269dc209c62a6085b18ce00e84c66a0e07518f8586b8f781"
}