{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0f3e95444e6ea6e7a67102436afb5b8ada9fc69ef30d8110ff97ded89ae7a4d7",
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}