{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9b43787c64bd97c89a1e3a23b3fd77cd4c7a35f9f9943a1096ba3874288c1155",
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}