{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbf73230ad525d996e56eec54b17ea7a22c1d8821b646a64babd7bd3465b412d9",
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}