{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x030ab9fe56b2c6514296ae7f868f30fa11b3e72f3dd0d81b374afb0ac9b6dfda",
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}