{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0ef911cf040efdd97b2923ed0165d06239efc3187159cb2b45a6595ac13cf1c8",
    "signature": "0x4c5bcbffbd50855aba2df7664412fd95e8de856fbc32e38ba0b7191e2284f6392947164ce14187a37bbaabd095d528218d95e95ae9f84458dc11e4f4dcece1c21b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}