{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xab2421aebcdd53a2114f9a1c78414e811f529448e6a44a6f7016f7261261009b",
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}