{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa3a03fe30732ddeb4d731acb5b8d5bbc3f23fe835128d5bd96c863166cfa3f0e",
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}