Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,652",
      "signature": "0xb24c85e15b3a27ab10fd7a4038e9db6d9b6f0626e1bd6503ecdc154b299968e7efdb668ca85757b5dba481f825d20997",
      "randomness": "0x7d2fff94f326527026b7731c0998ad374d23486e908e3b53da28b86e0fbdda2c"
    }
  ],
  "blockNumber": "7,407,998"
}

{
  "Sr25519": "0x5a54ba5568dcc84bbec4abf692b22009b01390a5016f084558d0ed20c53688002f15b7c2e1dfde1fe310559d5c653ca385c08b14f5c800d45b1c5a23a923bc8f"
}