{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xf001517ff79fd056a8249317f2da9bc2f9c85e43661aba15eefe74cecbb2112a",
    "signature": "0x20e9852dfe3f421a2f982d8b73aad6d989d042273e373ac1797986e096f120d3334b3d2b46191d3efb8cdd40baaf22d0a3e34374381e184a82800ae2eec00fd01b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}