{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x0fde7cb8edbc03ca9d86463dd9875e51d4a50ced945f75f639f61017141bf1cc",
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    "signer": "0x9dB5c1fFf1f2a10a2915896538F46804c2A9b8D2",
    "userId": "512641808"
  }
}