{
  "manageEntity": {
    "action": "Update",
    "entityId": "76716095",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa9dde9baf529aae0362a0483b1a51525f74db1573312a60bf53af4308edcd37e",
    "signature": "0x6724c0d40c35eae80358111a27ce34d8701ac288c6a8cbfcd003ff40daa9142434c946a11acb8fa59b92c877dfee6413ba87af7c23ccd078d1da2bae36b2267e1c",
    "signer": "0x839f2627047B0D4D540a4A8B3559600178B3B5c2",
    "userId": "76716095"
  }
}