{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x41abf8cae8dd76feda8d1650fa87cc80a5dad4c07916b7e342269976d2c08ecf",
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}