{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3c3c9acaa577d13c1509ff191f29f7329cb3c52780d523e79307fa5e2d87deb4",
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}