{
  "manageEntity": {
    "action": "Update",
    "entityId": "47150955",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraukytb7v4uadlzmffhutuoybjjbc6rjscuux3hd2qc2imkb5kys3a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1159530167},{\"type\":\"playlist\",\"playlist_id\":1108679895},{\"type\":\"playlist\",\"playlist_id\":792690440}]}}}",
    "nonce": "0x29363c35f86463f5295587d42db097e583c99c0336b1ea779f24f5e3653c45a7",
    "signature": "0xef20c1966020162fe62063523c4fd342dc3b81c7421b6c624f8e80a38c44e8ae7bdf72026cdbeaa24df5a2f080c188f29a328c1cd42ed1d2b5e85fd63ed55e361b",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}