Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,624,694",
      "signature": "0xb6008359f22ec1679d0b03e500d039b2d564df0301ac51ead1111ad36427b9507cedf9812263ebc862c7236369c56910",
      "randomness": "0x9b118b0bc06bddb638438b466c388feb89bffd63cfded7f6a8003b4ce16c7cdb"
    }
  ],
  "blockNumber": "7,426,488"
}

{
  "Sr25519": "0x8e29b1125020e8e0b58bc0ac515de826bb785cc721d0a17c6503db4e9804153ae3962a9a987ab79e7597a90f3280bc76f16eeb025313f4dfd39b9f1224900080"
}