{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x11a22f1b6198cb0f6b3f5a38b8ced5f8371f7169d4af2a1e71976fbebfe56566",
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}