{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x14ab87b436243d75e14e85b67b583e930223122b2c9d1ccf938109552413b2e3",
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}