{
  "manageEntity": {
    "action": "Update",
    "entityId": "633246973",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x22fd713999640e1a9f2a30465d21fde41594ce0de4e03ca6f95d1664468b3384",
    "signature": "0x4c5a494ac7a52a027c2018a19bdbcfe00e9da8a843ed54fd6622841f323864fd10f01982d1f106bb75173221fe7a1fb23f9e56cdb897ba29e49484aeed09cc451c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}