{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35f91aedd7d2dc021a9612127bdb5d3004f324f1e7f8585136a2b1a4d5e3c49f",
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}