{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x81375b338252e0346f6389d3e77f5ecb2081b7cab93cb61d71842115c68f2629",
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}