{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ccb3e342fb71b2cac5fb63a28ce5e4d44623584a2374580f7defdaa691a2d3d",
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    "userId": "238856977"
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}