{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85492efcd2d1a42031e4977b2282191c62af5f48da0f322d0263f2ea2892e935",
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}