{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe5458f966128dc0b269b14f0c44fa4fc0b04c257c513043c991a856c00cae482",
    "signature": "0xddaef88b11e7ed3a01a24a1977798f97f3208c4456c438d093589a3bcc0df9707a2f0527e4c233705ba726438a98dd6d7536c5ab5faa4dace60b6ab196f39cf91b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}