{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa72d6e3ea25d4621a7a25609d7d0ae3ec4b02b02c7a29ecb7e9913dc816af57c",
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}