{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7855fc191c12390d2a0e0cc586b4d7f060b0d20743e0f670548956d73cad4267",
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}