{
  "manageEntity": {
    "action": "Update",
    "entityId": "124078871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2c7a665c79bd22ba355704bf964f01481ac5e995be81c0bd9f2970e4b4b96a95",
    "signature": "0xae23685ae51ec2146df859b2abe2ab90463cdf5bddb2cd2155d5408672c162675a309f87355d9d26fd83b5a590fe71360aab0ccba3ed1ac35e0ab381457944b01c",
    "signer": "0x42cf263ecd96368a79BDA3Ebc5Ae5268842619D6",
    "userId": "124078871"
  }
}