{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcc6437df3fc25f0a722f01dd3345354276ac6ad9865d4140f032ea8b9b378b3e",
    "signature": "0x3735d5b2ea591bf68f978732d5674ca974e8401a93b8c9175fb27709e2ea0ec0639365f3b2d7b0d484bb4d29b96e00a8d0b33339fd22aff3da1d4ff7cba74d701c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}