{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x780e20d438c0c119144161749979ddd8b9c3eda441c4f35825a0187394542c1c",
    "signature": "0xd6099103577b474677b923b0c37cf798ca02fa4a06d48ee5ef46b39c31e74d8c61b5fbea50493a4ad41ebe1685dc97cb9f8fa8d2d9fba7bc2245a2984cfc64671c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}