{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3e8c465ebe86e6fd137c5d1b8fa925584f023e38661850dc4da5fa3862eb7898",
    "signature": "0x3c652ee0d2fca4fb400f5de9992dd3575e81899fbea61bbe31053309b2cde5182ebd9d424245a1a89e12ebd9e193ef71104482cd7713cded7766289aa010706c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}