{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x50a2c731d56fb97d577e669f3c9edc4bfb886b3172f81e252b792d54f91d4a9c",
    "signature": "0xd67a5ffc3e24a90189011c096a10cdeb3951d23d75221e628eb1fccd9d0233101b755c39bce0b2ddae9abff21694997efd74643e718dd4a4f04d8100c0e258411b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}