{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x02f418de5782b9a5c9f5cba1b91eaeca2e6148305b158a0b705e2cfce2cdbb5b",
    "signature": "0x9d4cd13c51863f33ca584901f4dfdfc2e188693ac11c53b987cfb55033f2265d6afadbbb898e5ef6d4a35cda8c203a1f6af2dc6d1c3e507b927a498a140566b01c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}