{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7e7be8e1715c269ce84db3c3a12fe2fe71821935be7046b97a4d841107f7eb83",
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}