{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ec207dba826b4c6145e94c81adb60e45793dfe2d5e88f00082a26d5ef23ba08",
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}