{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xdc3c45c86a05fdaeea06acaec0bb3ba0239cf79a02d90f785f1dd7c1866c5a46",
    "signature": "0x46bd323d02295c4e967f44cc911fc66968cc5e34b2c72b7cefad3fee9bafcbd76a40cd8b4f6120922473d9dd708b1a37e3b929aa37136305ff348c9ae8f68db41b",
    "signer": "0x2DDA3c2Ce653cf9cB8d5440B226c620029a01E7D",
    "userId": "219641662"
  }
}