{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbb091c8e7e4cc8bc2b27f1f921c07622ee278faba28d3b2cbd5486d461571b20",
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}