{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x93dcfa0f1c921efc7d67ca2738219c568918168b5a54849453df8130df47a4c9",
    "signature": "0x2c48d33a78b0642d18dda96404a7f49cf8cd09b06249584a02df3e67a29fb4b8204b11a3312c5801c6bf3e3bbf648ccbdf7d68772257a8a85612a566ab2238b61b",
    "signer": "0x8cfeb8eAf1f4960B56107c4a77E649E4f35cC7db",
    "userId": "999004269"
  }
}