{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf93c64aa221f0c54b175eeb8f3a1e594db108e3c412145e0e64f08313d2817ce",
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}