{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x560a5b086e3dc878873f377793a9652aed4036ae1760c9371655e30f7c5b7f0b",
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}