{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x93baad2d47673aa1a03a06c1d3b0d1c7f03e0a359638d0fc0cd2be48a9402a87",
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}