{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x81956a1546212a5f714462fc296ebfc1abbd687da4f6e8b19961f57bd857073b",
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}