Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,600,133",
      "signature": "0xa23f8a4281dbffda1922663caecf70a54922a1bfa0134e25b274d5a5e601affb38eac7e74e0e4b7cd2432751d0925dde",
      "randomness": "0xfe5057871602ddc612c5e5549a646faf6a0ef18967431b35d312d99f3b9e2974"
    }
  ],
  "blockNumber": "7,420,350"
}

{
  "Sr25519": "0x4c936ebeb02e6b09920f50dcfc80cb75cc7f223145d6262be211e4f5d9b05a4c6e1af0b40d0410ac057fccc82453bb48d8a302665c75b36f52205457ea082a85"
}