{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5facd03992e5bb3f617ffe83d6b6323a1888a0d755b5c95b266eeb1cf2e5ea4b",
    "signature": "0x9b63a67bef1adcd1bcd23e82b141ee15b374f7d97b8edb5a4af8ab80f7fad8f942caf68c4f80a6dcda58a32eff0c57cebbc389b88e76d68bd4af37c86d1c8b541b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}