{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3a73261673b79c658af699b82074edda9a7b3d3e2844744d344466a4d8bc2941",
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}