{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "354908",
    "entityType": "User",
    "nonce": "0xb38b76ef4426e156bcd9d0d035ccd7fcf14cbb0b2a3628ff9739a5d1f526f85d",
    "signature": "0x535e62a21928a2286105050ed7edfc777eefeb460deb690c3bd7c1613207c7ff5c99a1be513dec6ecfb0a7f38e31d994f87d7adc2c26ef58f29b3cc76c8daf2a1b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}