Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,559,931",
      "signature": "0xb35925285c013557d90fed9efa08fa0a4d6bf167347169c6bb9fd05c0ea14f2001895f256d927b8eb96ff2112c0d4f64",
      "randomness": "0xc7fc53faf4063c97742761be95f2c0bca44cb9d24d4a1517b00289a2b1b1d709"
    }
  ],
  "blockNumber": "7,410,318"
}

{
  "Sr25519": "0x4478a024359aead27670ab7839e86b770e719d2239e37b8cb5df9bba6aabf334113c16147b05fa9cdbfadd12e30e2ebd267dc99f71e29aa7bd11363814acc18f"
}