{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x635f31e1bd392a83744382e25b581409e285b810f960e15484bf7992d06109e9",
    "signature": "0x47421675d02bba25f00e97fcf42bf7f725aa7dadeb256b977cb19a5f9e0447cd78bba3d2f7651d1c9deb00fc2ae0e8cc827d96f41ea68a0dee619a06d9b7aafe1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}