{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xb163637916517e1eaec3c5cdef20119d556ee3255e3677c325c52c8880e90b36",
    "signature": "0xb6f5382640c507c8ed108484a5a4c75d5654ed61931564e0988bfb0b1909456e2b4e34accf148b6f7e9a360b14fb38e7544c03c5eef1acfc23e0ae99378414041c",
    "signer": "0x6A2Cd573e08F36EEFfe86ebAA84A7BBa15cC43Da",
    "userId": "98037577"
  }
}