{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x725b5144eaa2febdc49b2c0ebaaa569bd30fbaf9d9c3a9b40cb39ffb6ddc6cad",
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}