{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x48f2f79a2bc4f1db1c9d130e83ef719febeacb92b59c669664a8bd4800cddf62",
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}