Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,589",
      "signature": "0xa74a2409d48b67dda3038ef134b1bebe25e302b3a7437b01d0e24a14535724f6b0a444120622c8f3b59f44246edb9c63",
      "randomness": "0x0b4a126118a0e3df5cb83b5cf6652e91599363af8314dc128050f12d85f723af"
    }
  ],
  "blockNumber": "7,408,483"
}

{
  "Sr25519": "0x16aefc10ada85829441386f5495fbb7b0adcedeed18dbcf88c7c810ef4a5224571422ce2180cd987d1f55b221bd935e71d198ef0619b01179f95553061601b8f"
}