{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x743740c3f7c83b4ef987629ac988dc4f1dadfb59eea88a2faba15d498457e131",
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}