{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x628fb5caf9a1ddc974d4e609509ecc8f38802678c99d816ef8eeb0fbb02e8236",
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    "signer": "0xab776Dd2c8B0830aA8aE43827F906e04819687bb",
    "userId": "845851945"
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}