{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x85ccbba86e755c650b0927952b13a62150a516731132e28ff6376f4fa5d998b4",
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}