{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x27988c1e78462bc56579ba322dcec1d4fbb2f8068301df4b44fac44772588093",
    "signature": "0xe4827be7fa459f7a9638b25ec13c348589c9ff7e12a05a9a3d71a699601f7b9e6000dcc08dace5a52e45bc979af9401df383b2a8ef5b75374e7948fd53fde8ea1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}