{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "149966675",
    "entityType": "Notification",
    "nonce": "0x6834e8333bbe06b509dcb6c5e5c6cd83442197edd0e17f979bcf7b6f86f0b0a6",
    "signature": "0xc121fdacf1a5b4b2ca8a9f95911e2bafbdf91a87d63e3f09e55911f9d14fae2b767456135da75b3ebfce5404a8e5426c6636de9e8cfeb655df11d274316bf2451b",
    "signer": "0x685c86760D3c967538c225355603902597f5D411",
    "userId": "648022498"
  }
}