{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2ecb908dd6bcf325acab9caf1e7e25bd849f6c91860d3f9d853b5b4fa77a7868",
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}