{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4f842a81de5b3d275ee2d099b383114c7422db5f281e6be93535bd6bb58b0617",
    "signature": "0x39ede7b6b3e64f841d6e5d246c39a218ad8a20550c1501872350f5034390c1a27cec37795f51a5f7ede9476f0dca7b0209128a9a22f8182df6ef58b657a2c67f1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}