{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4c1f3011828efdefea93d3a60955edb9522d29fdd3993901c1bd0e8489193864",
    "signature": "0x9f962b034506a8234a014fe5a57a7b9c4fed3211a4543f9509aba913de4ce5af4d0d06b74b88899b2b4e3cf64c6abe5439a0a8fbccc10ab5a1041e64f9cd75661c",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}