{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf7ae3f0a7b4968b99364dfa7b8e6a12c71e4e2420bedfc7edf58decee6d19866",
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}