{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1bab158bf20d2179308e1aa0702613c318b2fe39e0e609171d2814a249e66959",
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}