{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2b0852fcabc9caec7fa1e9b5c4ecb1e4f2f7bd02efdec624cdcc7b1c9967364a",
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}