{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde061756a22bf1066a74307d2f39e68b128eeddd7db1027b5a5a20d88aad15f5",
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}