{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5e886b03e380180bea0996bf65b7a29c830fa80dcf1babd3b7eb15a00fa23ea9",
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    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
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}