{
  "manageEntity": {
    "action": "Update",
    "entityId": "184042831",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc841584a5c2bfa762b6ee159896011d30003300cb38c09e3ac9e4a1d83db32a4",
    "signature": "0x8f17dac0c2b83e6c38046e0986030c178cb31fc9c70e9d7b45d7f2201bec2a146343083546bc4bd268b0a4c3e264ed862e448881f39a0f1004e05ff10b36f32f1c",
    "signer": "0xA8FF92c7775B4CAd02aE39cF3Dc7e8230F4F64FA",
    "userId": "184042831"
  }
}