{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb8a439eb984fae48b737b7b077151bd05e5d55feccd3f4e34c8c976983d8a584",
    "signature": "0x3a1c659ec0b5e4def6a86da9f5ec5a5bad2e57378dc0fe88a3da6c2b976b966d6bfc3b817d38945388314178e29cb1caa0eb1aa8139ff947a5ea626b7e6ba1f71c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}