{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6ef8ea1d15216c0c0564e2d2a3ba405c18e7d8400277e9ae2eedc0487942bfbf",
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}