{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdd8c6ed5db5b971e15f9008a890526d27201e11c3f1de62fc8ffe74e25f83145",
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}