{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x651dcda7a4059ddd1aeec5ab85e438a2167f8498c6abcb7ff1a21a7a413f196f",
    "signature": "0x1c6ce5f8d5824ee092f619aec47b05f4e25cd5c2d91cf246549b6e2a325efeaa12b99f5df163788ea1de35a3d55d9bee81790902ea9ba7cee5f9c8fe6d02c7321c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}