{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x29eeed0bf3dc498276fa290e65ceb3e8e99c7b6cf8e6a1118e2657040d543a56",
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}