{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x07575452eda64746460ca25a86faf95a9f0c0c465ce8eb02bb05fd513a1abc24",
    "signature": "0x25296ce66f2e83621ff883706ff342353a6b828d1f2761db443799336eaa61b751afb025718a2b733c3b0c0173f8ca70fda1b6ff5a217dea4ae91c48b022ad1c1c",
    "signer": "0x809Af38f648Ec843FE477520d04180959B398E6C",
    "userId": "105767814"
  }
}