{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x506f437738d48f828b57cae2adbc72ce6d4221aaa7bbbd59f4f511137e06918a",
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}