{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a9c3b1e9e05fbc8dd54a22b7c0186b1f3415c957a325794dcdf68e5042b5f48",
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}