{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x78604c390568b1769488b6eb918586ba2e2fad3c9ff7dd334fc2a92891e78e86",
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    "signer": "0x382952b494F28f5234f1B305Ab0c87f83703A8A9",
    "userId": "892246728"
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}