{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x18a07ebd3f3ce82a5e42965f5bc3dc6ea95cbbf4d2aa2b5bf31e89626fb0697b",
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}