Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,601,576",
      "signature": "0x96fdb998d5b80ae06d05ac13ac5ecc07bc2c5aebc16a1032652cb30e2e780ba080f5b673fba02c7ff07f190c34a526dd",
      "randomness": "0xf851f198e9893d74cf308ec8d07886df3ce0792468716cde5e9a05b90a9de992"
    }
  ],
  "blockNumber": "7,420,710"
}

{
  "Sr25519": "0xa8a96f27bba2d2bae29ca1bd89ab585b9467046ecae76c8a73515d69992d78413e975e060c51197af1f43426f6924d0aa533e6eebbecb18883896af49864ba81"
}