{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x37bbb0338dc85052cb5862a0e096c3eca22caa04e30b82cfa4148935ed74a481",
    "signature": "0xb5a61e151fb28bcb6fea3d4ca482145e386eeb29b1abc7b8ac32f47b5e512afd1f52634e35373b4a6c5497fa11855eb2377a1e7cdb5d84eb5b1813b358abc3911c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}