{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x384239ac11cd5bdd73cde16eaa978a1e1b83dd6b0896dc9435afb092b72f3f20",
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}