{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8989559f0afca9355fd087aeed49ec2f1efee437ea4eb8a5d109405834783785",
    "signature": "0x3d7e99af30079737d8f86b68d7d866957e5573b3220cb5cda07c4da4b076af910594b31c5f6b43aeb573df1ff58a62d1b5cf28a0c4864b0a46a21887fe9550291c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}