{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x51a6ab50a03406d168214d6abe57eb95513f3b79baee290a72cb5a549e00bde5",
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}