{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x109c2267957b6b11b551982546e835c2afa4dd69ebe20bdfac67101892828a64",
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}