{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x84c45926bcf42c3dbc4d2db54d520a65fd74d7c336a2ed56969199fbc75e0479",
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}