{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4fb142a337b3ffcaf012f87a689f42a1876d2e04f6e7d37a8726309cac627b38",
    "signature": "0x45de304b704af2a895336fc26505564e4628d255679641b7d4d3aa8e95d0a0e22fd2fba9802edb0a585864f00c603f51f0d54d4f12900d05838937e61f4ca5281b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}