{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x674cad1f2ec101062d2110b13d2127f974b0b3e466183f9df2981e486fe42569",
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}