{
  "manageEntity": {
    "action": "Save",
    "entityId": "1299924151",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e6591c503ba563f01c4e1b8617e0dac54321b7325725f7d6fec1b4a7371cff5",
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}