{
  "manageEntity": {
    "action": "Update",
    "entityId": "801292109",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5e286ba8a90875c193adc8ded453ecf78b3710bc3d04fe2700da80184104a846",
    "signature": "0x7212fad3804227b9df75c3d5ce89c11a6cc6a555215d1dc02b5d22269b6f5a603ce2cda19856f52b473cc5bd9d871ec6b974dc3883fcd8aa59ee0f5c7092e9971b",
    "signer": "0xB1ABD57AcD5737b98D385BA98E5B14293D7A1fD4",
    "userId": "801292109"
  }
}