{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3130537158e7266ba1842382e0c2ef1c1382ddd1be735e5d0fde982ebb3630e1",
    "signature": "0xc990f89b44a277ad78c4ce0e6f402d42a0a718c914fc3c01af2c51c7dff8052157c49cf392cdea48aa5262e8179de938e4c6a6bc6cc861b96a2bc693a37a89001b",
    "signer": "0xE4053BCF7e0e7c87B961f1D7E52Fe75b8414Bd89",
    "userId": "765215628"
  }
}