{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0d48ec8fa3ac3b6fe48a396d3fddf2257a0fce550ca06f95cfa7c93c29481d45",
    "signature": "0x68f054b9c64317f258a5166189ab694e322455cee9d32056c426ee0259cb69b37dba0ed35d7594f2aeef1cc81b76429eba04d96c21c81088613d6eec2ef8cfb21c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}