{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdf7259b95efb640216f22abf8a5e78b4f8d9e4be041d5623030652ba3153e2d4",
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}