{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x50aafe284273a3b0a64737a4d3795f655a4ee4451bc721082816c5ac521b46a9",
    "signature": "0x0b2d377ed7c3a37724cbb500e6b5bffccb5e1a1bbbaf6e05d8bd4ca3db2ebc8807271b0170ae512b34f9f1f663a8b623350954cd31007bfa8b592094bdd31b441b",
    "signer": "0x15A0a536f48Ca082F3a891a1620152037566160b",
    "userId": "602323230"
  }
}