{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x652b294d848470156132cb5552c9ace604c4763b6401cc108cee670b75f525b4",
    "signature": "0x34e4cb3a838f86a2c79cf06da8e73bb5de5781bf1f49bcac1ab7fc0ad5aa41e674b4052dd8df33d8ff34e8c68e4aeac76c56c7b0232c022613fc25d8e58dda7a1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}