{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdea59db1174c50ae75a518bbca3219e43aa9827c9510c9fc87a2424e6fbea772",
    "signature": "0x7d8fb9ade87d32b32de40de756c23df0b506a1d5f4e65304536f33988a83a7f60ac5fef4a44370c5e36c77e613adfec5f4650ed68194edd4a65ad2b82fce1c921b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}