{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xabe7e1ee3a94aedaf9bdb996bb4a6533e4c0f00f8f2b2214510e8060867c43a3",
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}