{
  "manageEntity": {
    "action": "Update",
    "entityId": "47150955",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragg5y2odztjulkzare4ewfv6akcr2xbr3lmlfyskoq7jejioymusa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1159530167},{\"type\":\"playlist\",\"playlist_id\":1523768517}]}}}",
    "nonce": "0xd623fa2ee296d265d449a17a56c35707ee047016895462966b479307d6b4fb05",
    "signature": "0xfcfa0d82a63658c82c105b1c0753653eba33e31345cdd87c54f5b595cd77e08978a9d46c99c968869b794dd7c98000b541ff76a6be5a9fea099117063319fd761b",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}