{
  "manageEntity": {
    "action": "Update",
    "entityId": "911613164",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa62b02bf200bad2d4296ba6e6282508fab885501f98aa13f40974fb7996b9c75",
    "signature": "0xf155c6c52fd215f555336292567f5ca344f2417c3cd4ab14e5ebae787422a7ce152d7d9714af09c592a7f9c6a164c23be9397d4f056f553fe5811ebf6ff4f0211c",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}