{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ddcf4f4b6595d98ed7f26ad4c9d37600c48c33b02a07889c3c86cc945184e96",
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}