{
  "manageEntity": {
    "action": "Update",
    "entityId": "309295492",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraynreukxufeseu6n7t5wmphxrjbtj5pbvonglxxgc2eudqver77qq\",\"data\":{\"name\":\"steven\",\"handle\":\"0320\",\"location\":\"Taipei\",\"events\":{},\"is_deactivated\":false,\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb69560fadbb11c5ca2baf94a921a6796ffb2fb171feeba9e04c7e537e28d5560",
    "signature": "0x86caa75dff564d49276c54b30f3a5e4280ae01e901a44ad812656505fdf437915a0267cae26d64291e0e312ece6badfac9d1828867cc900b2fdce373e1bf6c3e1b",
    "signer": "0x0748A94f1CD97A564813dD883A13A2faccCfa757",
    "userId": "309295492"
  }
}