{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96d5bdfad3168915a14a93b24fec2e0a1f5ae5a1668aacfe2999b671151e1977",
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}