{
  "manageEntity": {
    "action": "Update",
    "entityId": "242893136",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x171022adf265c9907b2bc789a21552bf98bf9237b18e7f41bc0e97115a284a25",
    "signature": "0x26ca9fa888485516661b066f0ca2ad9dda6347a8d8cb2b3c1218484d2d8ac0435dbf6c9ca9e5535af1b4546702b98c05c53d9ff0579ff31f93f40c8cd6e0e0551b",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}