{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x61f40d08b501d8bf334fb962cb6561d24ab815e69fe4d4ac1491396c1ca880b3",
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}