{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8c4cf366829bcb78c4586fc475ada91b84a5df52ab7d5bba2468eb4270ea2880",
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}