{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4aa3e9cc863f621d62be26f7bd6a78acddd8a36dbd5b4482583ab4f06be9039e",
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    "signer": "0xc4f43cd53a0AB8479f49926948a960420F0286bE",
    "userId": "535039192"
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}