{
  "manageEntity": {
    "action": "Update",
    "entityId": "216655876",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2088060ffcd4f9303db3a1d324afba1dba10b9051b714b0f48fa154a35d54193",
    "signature": "0x539dfe80d00bd6dd746dac849dd5eda1132c5ec8cec8d43245cd55c6aa26929701838cc7519605a5505f7f18be7966b4be4f082ba5653a33e9f2792de5346f7f1c",
    "signer": "0xEa5259910B59b55889DA5C50e75e6C5b6B79cF5f",
    "userId": "216655876"
  }
}