{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x91b45c927ae554ccd33644513dfd81d07f8f1b6e6d40a9072d428714ecef51e7",
    "signature": "0x4b02c4a22d282d76be3236ecc76f0a30a9392ea62d6df6664b4d6b1f09406e0f64f5d4ca371a71c3dd319129f5d0923c4c0fd344481e286befa6336df12c43971c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}