{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd4bda31d0a41b8968cc2a84d1d9b3ff3ce3e81a040936d3ba1d07a8ed9a02809",
    "signature": "0x5b8dd9265f527b34510aa0b7d9f7c1757db34e5f5637e16869ed7bc2b96fa81042820e15a76897cbc5f966187d7693cf29a1b2ddf647c2a4d7fb2ee3717dbd771c",
    "signer": "0x5b8B496638112823e691a9CB3c26C6A4262a1B32",
    "userId": "410151996"
  }
}