{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x01ecf1c778abf15b0b145e4a3aa350add3586405edceec68f8653227ac02dbc0",
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}