{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x677fd6be1887cc9b7b124b0e503556dc8d49b49b1c6bd344df0f80d31a85bd6b",
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}