{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9e43503ce28204a897b175802f404fb83773a31c20bbcd8328f02e4da4b360db",
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    "userId": "533673360"
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}