{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5c1bc6ac8dacb230cbc5e210f7ceaec157a70bb0c563d9b688eec16d57161aa8",
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}